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Finding the Fourth Proportional to 356,177.61, 534,294.18 and 103,462.20

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Solution

The fourth proportional to 356,177.61, 534,294.18 and 103,462.20 is: 155,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,177.61 : 534,294.18 = 103,462.20 : x
  2. Step 2: Convert to fraction form
    356,177.61/534,294.18 = 103,462.20/x
  3. Step 3: Cross multiply
    356,177.61x = 534,294.18 × 103,462.20
  4. Step 4: Simplify right side
    356,177.61x = 55,279,251,310.00
  5. Step 5: Solve for x
    x = 55,279,251,310.00/356,177.61
  6. Step 6: Final answer
    x = 155,201.37

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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.