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Finding the Fourth Proportional to 238,489.20, 357,597.72 and 98,080.56

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Solution

The fourth proportional to 238,489.20, 357,597.72 and 98,080.56 is: 147,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,489.20 : 357,597.72 = 98,080.56 : x
  2. Step 2: Convert to fraction form
    238,489.20/357,597.72 = 98,080.56/x
  3. Step 3: Cross multiply
    238,489.20x = 357,597.72 × 98,080.56
  4. Step 4: Simplify right side
    238,489.20x = 35,073,384,632.32
  5. Step 5: Solve for x
    x = 35,073,384,632.32/238,489.20
  6. Step 6: Final answer
    x = 147,064.88

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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.