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Finding the Fourth Proportional to 84,851.73, 127,305.24 and 40,472.71

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Solution

The fourth proportional to 84,851.73, 127,305.24 and 40,472.71 is: 60,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,851.73 : 127,305.24 = 40,472.71 : x
  2. Step 2: Convert to fraction form
    84,851.73/127,305.24 = 40,472.71/x
  3. Step 3: Cross multiply
    84,851.73x = 127,305.24 × 40,472.71
  4. Step 4: Simplify right side
    84,851.73x = 5,152,388,060.00
  5. Step 5: Solve for x
    x = 5,152,388,060.00/84,851.73
  6. Step 6: Final answer
    x = 60,722.25

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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.