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Finding the Fourth Proportional to 93,638, 140,470.98 and 34,469.12

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Solution

The fourth proportional to 93,638, 140,470.98 and 34,469.12 is: 51,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,638 : 140,470.98 = 34,469.12 : x
  2. Step 2: Convert to fraction form
    93,638/140,470.98 = 34,469.12/x
  3. Step 3: Cross multiply
    93,638x = 140,470.98 × 34,469.12
  4. Step 4: Simplify right side
    93,638x = 4,841,911,066.14
  5. Step 5: Solve for x
    x = 4,841,911,066.14/93,638
  6. Step 6: Final answer
    x = 51,708.83

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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.