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Finding the Fourth Proportional to 342,707.52, 514,061.28 and 93,426.24

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Solution

The fourth proportional to 342,707.52, 514,061.28 and 93,426.24 is: 140,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,707.52 : 514,061.28 = 93,426.24 : x
  2. Step 2: Convert to fraction form
    342,707.52/514,061.28 = 93,426.24/x
  3. Step 3: Cross multiply
    342,707.52x = 514,061.28 × 93,426.24
  4. Step 4: Simplify right side
    342,707.52x = 48,026,812,519.99
  5. Step 5: Solve for x
    x = 48,026,812,519.99/342,707.52
  6. Step 6: Final answer
    x = 140,139.36

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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.