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Finding the Fourth Proportional to 633,899.38, 950,841.86 and 154,129.90

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Solution

The fourth proportional to 633,899.38, 950,841.86 and 154,129.90 is: 231,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,899.38 : 950,841.86 = 154,129.90 : x
  2. Step 2: Convert to fraction form
    633,899.38/950,841.86 = 154,129.90/x
  3. Step 3: Cross multiply
    633,899.38x = 950,841.86 × 154,129.90
  4. Step 4: Simplify right side
    633,899.38x = 146,553,160,797.61
  5. Step 5: Solve for x
    x = 146,553,160,797.61/633,899.38
  6. Step 6: Final answer
    x = 231,193.10

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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.