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Finding the Fourth Proportional to 372,175.90, 558,253.44 and 119,454.40

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Solution

The fourth proportional to 372,175.90, 558,253.44 and 119,454.40 is: 179,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,175.90 : 558,253.44 = 119,454.40 : x
  2. Step 2: Convert to fraction form
    372,175.90/558,253.44 = 119,454.40/x
  3. Step 3: Cross multiply
    372,175.90x = 558,253.44 × 119,454.40
  4. Step 4: Simplify right side
    372,175.90x = 66,685,829,723.14
  5. Step 5: Solve for x
    x = 66,685,829,723.14/372,175.90
  6. Step 6: Final answer
    x = 179,178.26

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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.