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Finding the Fourth Proportional to 57,167.76, 78,891.90 and 32,017.26

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Solution

The fourth proportional to 57,167.76, 78,891.90 and 32,017.26 is: 44,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,167.76 : 78,891.90 = 32,017.26 : x
  2. Step 2: Convert to fraction form
    57,167.76/78,891.90 = 32,017.26/x
  3. Step 3: Cross multiply
    57,167.76x = 78,891.90 × 32,017.26
  4. Step 4: Simplify right side
    57,167.76x = 2,525,902,474.19
  5. Step 5: Solve for x
    x = 2,525,902,474.19/57,167.76
  6. Step 6: Final answer
    x = 44,184.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.