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Finding the Fourth Proportional to 60,507,101.70, 90,760,652.55 and 15,068,896.20

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Solution

The fourth proportional to 60,507,101.70, 90,760,652.55 and 15,068,896.20 is: 22,603,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,507,101.70 : 90,760,652.55 = 15,068,896.20 : x
  2. Step 2: Convert to fraction form
    60,507,101.70/90,760,652.55 = 15,068,896.20/x
  3. Step 3: Cross multiply
    60,507,101.70x = 90,760,652.55 × 15,068,896.20
  4. Step 4: Simplify right side
    60,507,101.70x = 1,367,662,852,320,215.25
  5. Step 5: Solve for x
    x = 1,367,662,852,320,215.25/60,507,101.70
  6. Step 6: Final answer
    x = 22,603,344.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.