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Finding the Fourth Proportional to 89,836.88, 124,023.49 and 54,034.88

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Solution

The fourth proportional to 89,836.88, 124,023.49 and 54,034.88 is: 74,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836.88 : 124,023.49 = 54,034.88 : x
  2. Step 2: Convert to fraction form
    89,836.88/124,023.49 = 54,034.88/x
  3. Step 3: Cross multiply
    89,836.88x = 124,023.49 × 54,034.88
  4. Step 4: Simplify right side
    89,836.88x = 6,701,593,644.13
  5. Step 5: Solve for x
    x = 6,701,593,644.13/89,836.88
  6. Step 6: Final answer
    x = 74,597.36

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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.