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Finding the Fourth Proportional to 372,654.12, 558,863.52 and 119,878.25

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Solution

The fourth proportional to 372,654.12, 558,863.52 and 119,878.25 is: 179,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,654.12 : 558,863.52 = 119,878.25 : x
  2. Step 2: Convert to fraction form
    372,654.12/558,863.52 = 119,878.25/x
  3. Step 3: Cross multiply
    372,654.12x = 558,863.52 × 119,878.25
  4. Step 4: Simplify right side
    372,654.12x = 66,995,583,249.46
  5. Step 5: Solve for x
    x = 66,995,583,249.46/372,654.12
  6. Step 6: Final answer
    x = 179,779.53

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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.