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Finding the Fourth Proportional to 73,353.60, 101,239.20 and 45,079.20

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Solution

The fourth proportional to 73,353.60, 101,239.20 and 45,079.20 is: 62,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,353.60 : 101,239.20 = 45,079.20 : x
  2. Step 2: Convert to fraction form
    73,353.60/101,239.20 = 45,079.20/x
  3. Step 3: Cross multiply
    73,353.60x = 101,239.20 × 45,079.20
  4. Step 4: Simplify right side
    73,353.60x = 4,563,782,144.64
  5. Step 5: Solve for x
    x = 4,563,782,144.64/73,353.60
  6. Step 6: Final answer
    x = 62,216.20

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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.