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Finding the Fourth Proportional to 371,587.52, 557,238.62 and 158,220.16

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Solution

The fourth proportional to 371,587.52, 557,238.62 and 158,220.16 is: 237,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,587.52 : 557,238.62 = 158,220.16 : x
  2. Step 2: Convert to fraction form
    371,587.52/557,238.62 = 158,220.16/x
  3. Step 3: Cross multiply
    371,587.52x = 557,238.62 × 158,220.16
  4. Step 4: Simplify right side
    371,587.52x = 88,166,383,614.58
  5. Step 5: Solve for x
    x = 88,166,383,614.58/371,587.52
  6. Step 6: Final answer
    x = 237,269.50

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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.