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Finding the Fourth Proportional to 371,257.48, 557,151.74 and 158,174.72

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Solution

The fourth proportional to 371,257.48, 557,151.74 and 158,174.72 is: 237,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,257.48 : 557,151.74 = 158,174.72 : x
  2. Step 2: Convert to fraction form
    371,257.48/557,151.74 = 158,174.72/x
  3. Step 3: Cross multiply
    371,257.48x = 557,151.74 × 158,174.72
  4. Step 4: Simplify right side
    371,257.48x = 88,127,320,472.01
  5. Step 5: Solve for x
    x = 88,127,320,472.01/371,257.48
  6. Step 6: Final answer
    x = 237,375.21

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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.