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Finding the Fourth Proportional to 373,963.72, 561,167.52 and 149,430.10

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Solution

The fourth proportional to 373,963.72, 561,167.52 and 149,430.10 is: 224,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,963.72 : 561,167.52 = 149,430.10 : x
  2. Step 2: Convert to fraction form
    373,963.72/561,167.52 = 149,430.10/x
  3. Step 3: Cross multiply
    373,963.72x = 561,167.52 × 149,430.10
  4. Step 4: Simplify right side
    373,963.72x = 83,855,318,630.35
  5. Step 5: Solve for x
    x = 83,855,318,630.35/373,963.72
  6. Step 6: Final answer
    x = 224,233.83

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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.