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Finding the Fourth Proportional to 372,861.74, 559,314.80 and 116,742.29

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Solution

The fourth proportional to 372,861.74, 559,314.80 and 116,742.29 is: 175,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,861.74 : 559,314.80 = 116,742.29 : x
  2. Step 2: Convert to fraction form
    372,861.74/559,314.80 = 116,742.29/x
  3. Step 3: Cross multiply
    372,861.74x = 559,314.80 × 116,742.29
  4. Step 4: Simplify right side
    372,861.74x = 65,295,687,640.39
  5. Step 5: Solve for x
    x = 65,295,687,640.39/372,861.74
  6. Step 6: Final answer
    x = 175,120.37

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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.