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Finding the Fourth Proportional to 372,432.83, 558,654.39 and 106,193.31

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Solution

The fourth proportional to 372,432.83, 558,654.39 and 106,193.31 is: 159,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,432.83 : 558,654.39 = 106,193.31 : x
  2. Step 2: Convert to fraction form
    372,432.83/558,654.39 = 106,193.31/x
  3. Step 3: Cross multiply
    372,432.83x = 558,654.39 × 106,193.31
  4. Step 4: Simplify right side
    372,432.83x = 59,325,360,166.28
  5. Step 5: Solve for x
    x = 59,325,360,166.28/372,432.83
  6. Step 6: Final answer
    x = 159,291.44

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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.