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Finding the Fourth Proportional to 159,785.01, 239,677.56 and 54,604.89

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Solution

The fourth proportional to 159,785.01, 239,677.56 and 54,604.89 is: 81,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,785.01 : 239,677.56 = 54,604.89 : x
  2. Step 2: Convert to fraction form
    159,785.01/239,677.56 = 54,604.89/x
  3. Step 3: Cross multiply
    159,785.01x = 239,677.56 × 54,604.89
  4. Step 4: Simplify right side
    159,785.01x = 13,087,566,799.27
  5. Step 5: Solve for x
    x = 13,087,566,799.27/159,785.01
  6. Step 6: Final answer
    x = 81,907.35

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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.