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Finding the Fourth Proportional to 168,476.96, 232,397.52 and 101,396

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Solution

The fourth proportional to 168,476.96, 232,397.52 and 101,396 is: 139,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,476.96 : 232,397.52 = 101,396 : x
  2. Step 2: Convert to fraction form
    168,476.96/232,397.52 = 101,396/x
  3. Step 3: Cross multiply
    168,476.96x = 232,397.52 × 101,396
  4. Step 4: Simplify right side
    168,476.96x = 23,564,178,937.92
  5. Step 5: Solve for x
    x = 23,564,178,937.92/168,476.96
  6. Step 6: Final answer
    x = 139,865.88

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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.