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Finding the Fourth Proportional to 238,356.52, 357,534.76 and 88,634.48

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Solution

The fourth proportional to 238,356.52, 357,534.76 and 88,634.48 is: 132,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,356.52 : 357,534.76 = 88,634.48 : x
  2. Step 2: Convert to fraction form
    238,356.52/357,534.76 = 88,634.48/x
  3. Step 3: Cross multiply
    238,356.52x = 357,534.76 × 88,634.48
  4. Step 4: Simplify right side
    238,356.52x = 31,689,907,534.52
  5. Step 5: Solve for x
    x = 31,689,907,534.52/238,356.52
  6. Step 6: Final answer
    x = 132,951.71

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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.