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Finding the Fourth Proportional to 238,620.22, 357,930.33 and 98,375.20

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Solution

The fourth proportional to 238,620.22, 357,930.33 and 98,375.20 is: 147,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,620.22 : 357,930.33 = 98,375.20 : x
  2. Step 2: Convert to fraction form
    238,620.22/357,930.33 = 98,375.20/x
  3. Step 3: Cross multiply
    238,620.22x = 357,930.33 × 98,375.20
  4. Step 4: Simplify right side
    238,620.22x = 35,211,466,536.08
  5. Step 5: Solve for x
    x = 35,211,466,536.08/238,620.22
  6. Step 6: Final answer
    x = 147,562.80

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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.