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Finding the Fourth Proportional to 84,988.53, 127,367.92 and 32,369.31

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Solution

The fourth proportional to 84,988.53, 127,367.92 and 32,369.31 is: 48,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,988.53 : 127,367.92 = 32,369.31 : x
  2. Step 2: Convert to fraction form
    84,988.53/127,367.92 = 32,369.31/x
  3. Step 3: Cross multiply
    84,988.53x = 127,367.92 × 32,369.31
  4. Step 4: Simplify right side
    84,988.53x = 4,122,811,686.54
  5. Step 5: Solve for x
    x = 4,122,811,686.54/84,988.53
  6. Step 6: Final answer
    x = 48,510.21

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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.