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Finding the Fourth Proportional to 71,695.44, 107,395.20 and 42,023.16

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Solution

The fourth proportional to 71,695.44, 107,395.20 and 42,023.16 is: 62,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,695.44 : 107,395.20 = 42,023.16 : x
  2. Step 2: Convert to fraction form
    71,695.44/107,395.20 = 42,023.16/x
  3. Step 3: Cross multiply
    71,695.44x = 107,395.20 × 42,023.16
  4. Step 4: Simplify right side
    71,695.44x = 4,513,085,672.83
  5. Step 5: Solve for x
    x = 4,513,085,672.83/71,695.44
  6. Step 6: Final answer
    x = 62,948.02

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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.