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Finding the Fourth Proportional to 153,882.73, 230,927.19 and 54,043.30

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Solution

The fourth proportional to 153,882.73, 230,927.19 and 54,043.30 is: 81,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,882.73 : 230,927.19 = 54,043.30 : x
  2. Step 2: Convert to fraction form
    153,882.73/230,927.19 = 54,043.30/x
  3. Step 3: Cross multiply
    153,882.73x = 230,927.19 × 54,043.30
  4. Step 4: Simplify right side
    153,882.73x = 12,480,067,407.33
  5. Step 5: Solve for x
    x = 12,480,067,407.33/153,882.73
  6. Step 6: Final answer
    x = 81,101.16

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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.