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Finding the Fourth Proportional to 238,422.91, 357,634.55 and 60,930.10

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Solution

The fourth proportional to 238,422.91, 357,634.55 and 60,930.10 is: 91,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,422.91 : 357,634.55 = 60,930.10 : x
  2. Step 2: Convert to fraction form
    238,422.91/357,634.55 = 60,930.10/x
  3. Step 3: Cross multiply
    238,422.91x = 357,634.55 × 60,930.10
  4. Step 4: Simplify right side
    238,422.91x = 21,790,708,894.96
  5. Step 5: Solve for x
    x = 21,790,708,894.96/238,422.91
  6. Step 6: Final answer
    x = 91,395.20

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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.