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Finding the Fourth Proportional to 84,873.96, 127,324.71 and 28,717.52

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Solution

The fourth proportional to 84,873.96, 127,324.71 and 28,717.52 is: 43,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,873.96 : 127,324.71 = 28,717.52 : x
  2. Step 2: Convert to fraction form
    84,873.96/127,324.71 = 28,717.52/x
  3. Step 3: Cross multiply
    84,873.96x = 127,324.71 × 28,717.52
  4. Step 4: Simplify right side
    84,873.96x = 3,656,449,269.30
  5. Step 5: Solve for x
    x = 3,656,449,269.30/84,873.96
  6. Step 6: Final answer
    x = 43,080.93

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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.