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Finding the Fourth Proportional to 372,188.08, 558,375.65 and 119,491.16

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Solution

The fourth proportional to 372,188.08, 558,375.65 and 119,491.16 is: 179,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,188.08 : 558,375.65 = 119,491.16 : x
  2. Step 2: Convert to fraction form
    372,188.08/558,375.65 = 119,491.16/x
  3. Step 3: Cross multiply
    372,188.08x = 558,375.65 × 119,491.16
  4. Step 4: Simplify right side
    372,188.08x = 66,720,953,536.80
  5. Step 5: Solve for x
    x = 66,720,953,536.80/372,188.08
  6. Step 6: Final answer
    x = 179,266.77

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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.