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Finding the Fourth Proportional to 236,963.84, 327,010.11 and 129,534.30

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Solution

The fourth proportional to 236,963.84, 327,010.11 and 129,534.30 is: 178,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,963.84 : 327,010.11 = 129,534.30 : x
  2. Step 2: Convert to fraction form
    236,963.84/327,010.11 = 129,534.30/x
  3. Step 3: Cross multiply
    236,963.84x = 327,010.11 × 129,534.30
  4. Step 4: Simplify right side
    236,963.84x = 42,359,025,691.77
  5. Step 5: Solve for x
    x = 42,359,025,691.77/236,963.84
  6. Step 6: Final answer
    x = 178,757.34

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1.5x scale

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.