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Finding the Fourth Proportional to 94,737.91, 142,107.53 and 65,065.78

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Solution

The fourth proportional to 94,737.91, 142,107.53 and 65,065.78 is: 97,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,737.91 : 142,107.53 = 65,065.78 : x
  2. Step 2: Convert to fraction form
    94,737.91/142,107.53 = 65,065.78/x
  3. Step 3: Cross multiply
    94,737.91x = 142,107.53 × 65,065.78
  4. Step 4: Simplify right side
    94,737.91x = 9,246,337,283.32
  5. Step 5: Solve for x
    x = 9,246,337,283.32/94,737.91
  6. Step 6: Final answer
    x = 97,599.13

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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.