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Finding the Fourth Proportional to 160,689.53, 240,937.08 and 71,926.49

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Solution

The fourth proportional to 160,689.53, 240,937.08 and 71,926.49 is: 107,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,689.53 : 240,937.08 = 71,926.49 : x
  2. Step 2: Convert to fraction form
    160,689.53/240,937.08 = 71,926.49/x
  3. Step 3: Cross multiply
    160,689.53x = 240,937.08 × 71,926.49
  4. Step 4: Simplify right side
    160,689.53x = 17,329,757,270.56
  5. Step 5: Solve for x
    x = 17,329,757,270.56/160,689.53
  6. Step 6: Final answer
    x = 107,846.22

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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.