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Finding the Fourth Proportional to 159,988.26, 239,989.68 and 41,671.56

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Solution

The fourth proportional to 159,988.26, 239,989.68 and 41,671.56 is: 62,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,988.26 : 239,989.68 = 41,671.56 : x
  2. Step 2: Convert to fraction form
    159,988.26/239,989.68 = 41,671.56/x
  3. Step 3: Cross multiply
    159,988.26x = 239,989.68 × 41,671.56
  4. Step 4: Simplify right side
    159,988.26x = 10,000,744,349.50
  5. Step 5: Solve for x
    x = 10,000,744,349.50/159,988.26
  6. Step 6: Final answer
    x = 62,509.24

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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.