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Finding the Fourth Proportional to 77,000.01, 106,260.83 and 45,169.44

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Solution

The fourth proportional to 77,000.01, 106,260.83 and 45,169.44 is: 62,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,000.01 : 106,260.83 = 45,169.44 : x
  2. Step 2: Convert to fraction form
    77,000.01/106,260.83 = 45,169.44/x
  3. Step 3: Cross multiply
    77,000.01x = 106,260.83 × 45,169.44
  4. Step 4: Simplify right side
    77,000.01x = 4,799,741,959.19
  5. Step 5: Solve for x
    x = 4,799,741,959.19/77,000.01
  6. Step 6: Final answer
    x = 62,334.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.