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Finding the Fourth Proportional to 234,145.92, 351,219.78 and 56,652.66

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Solution

The fourth proportional to 234,145.92, 351,219.78 and 56,652.66 is: 84,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,145.92 : 351,219.78 = 56,652.66 : x
  2. Step 2: Convert to fraction form
    234,145.92/351,219.78 = 56,652.66/x
  3. Step 3: Cross multiply
    234,145.92x = 351,219.78 × 56,652.66
  4. Step 4: Simplify right side
    234,145.92x = 19,897,534,781.61
  5. Step 5: Solve for x
    x = 19,897,534,781.61/234,145.92
  6. Step 6: Final answer
    x = 84,979.21

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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.