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Finding the Fourth Proportional to 235,291.97, 324,702.68 and 127,861.77

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Solution

The fourth proportional to 235,291.97, 324,702.68 and 127,861.77 is: 176,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,291.97 : 324,702.68 = 127,861.77 : x
  2. Step 2: Convert to fraction form
    235,291.97/324,702.68 = 127,861.77/x
  3. Step 3: Cross multiply
    235,291.97x = 324,702.68 × 127,861.77
  4. Step 4: Simplify right side
    235,291.97x = 41,517,059,966.87
  5. Step 5: Solve for x
    x = 41,517,059,966.87/235,291.97
  6. Step 6: Final answer
    x = 176,449.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.