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Finding the Fourth Proportional to 372,176.40, 558,254.19 and 119,454.90

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Solution

The fourth proportional to 372,176.40, 558,254.19 and 119,454.90 is: 179,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,176.40 : 558,254.19 = 119,454.90 : x
  2. Step 2: Convert to fraction form
    372,176.40/558,254.19 = 119,454.90/x
  3. Step 3: Cross multiply
    372,176.40x = 558,254.19 × 119,454.90
  4. Step 4: Simplify right side
    372,176.40x = 66,686,198,441.03
  5. Step 5: Solve for x
    x = 66,686,198,441.03/372,176.40
  6. Step 6: Final answer
    x = 179,179.01

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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.