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Finding the Fourth Proportional to 372,568.16, 558,412.16 and 159,273.68

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Solution

The fourth proportional to 372,568.16, 558,412.16 and 159,273.68 is: 238,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,568.16 : 558,412.16 = 159,273.68 : x
  2. Step 2: Convert to fraction form
    372,568.16/558,412.16 = 159,273.68/x
  3. Step 3: Cross multiply
    372,568.16x = 558,412.16 × 159,273.68
  4. Step 4: Simplify right side
    372,568.16x = 88,940,359,679.95
  5. Step 5: Solve for x
    x = 88,940,359,679.95/372,568.16
  6. Step 6: Final answer
    x = 238,722.38

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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.