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Finding the Fourth Proportional to 246,564.38, 369,863.13 and 86,620.86

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Solution

The fourth proportional to 246,564.38, 369,863.13 and 86,620.86 is: 129,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,564.38 : 369,863.13 = 86,620.86 : x
  2. Step 2: Convert to fraction form
    246,564.38/369,863.13 = 86,620.86/x
  3. Step 3: Cross multiply
    246,564.38x = 369,863.13 × 86,620.86
  4. Step 4: Simplify right side
    246,564.38x = 32,037,862,402.89
  5. Step 5: Solve for x
    x = 32,037,862,402.89/246,564.38
  6. Step 6: Final answer
    x = 129,937.11

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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.