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Finding the Fourth Proportional to 371,442.16, 557,234.16 and 158,205.52

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Solution

The fourth proportional to 371,442.16, 557,234.16 and 158,205.52 is: 237,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,442.16 : 557,234.16 = 158,205.52 : x
  2. Step 2: Convert to fraction form
    371,442.16/557,234.16 = 158,205.52/x
  3. Step 3: Cross multiply
    371,442.16x = 557,234.16 × 158,205.52
  4. Step 4: Simplify right side
    371,442.16x = 88,157,520,044.56
  5. Step 5: Solve for x
    x = 88,157,520,044.56/371,442.16
  6. Step 6: Final answer
    x = 237,338.49

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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.