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Finding the Fourth Proportional to 235,387.76, 324,837.20 and 127,957.97

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Solution

The fourth proportional to 235,387.76, 324,837.20 and 127,957.97 is: 176,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,387.76 : 324,837.20 = 127,957.97 : x
  2. Step 2: Convert to fraction form
    235,387.76/324,837.20 = 127,957.97/x
  3. Step 3: Cross multiply
    235,387.76x = 324,837.20 × 127,957.97
  4. Step 4: Simplify right side
    235,387.76x = 41,565,508,692.48
  5. Step 5: Solve for x
    x = 41,565,508,692.48/235,387.76
  6. Step 6: Final answer
    x = 176,583.14

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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.