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Finding the Fourth Proportional to 48,259.40, 72,309.03 and 34,149.47

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Solution

The fourth proportional to 48,259.40, 72,309.03 and 34,149.47 is: 51,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,259.40 : 72,309.03 = 34,149.47 : x
  2. Step 2: Convert to fraction form
    48,259.40/72,309.03 = 34,149.47/x
  3. Step 3: Cross multiply
    48,259.40x = 72,309.03 × 34,149.47
  4. Step 4: Simplify right side
    48,259.40x = 2,469,314,689.17
  5. Step 5: Solve for x
    x = 2,469,314,689.17/48,259.40
  6. Step 6: Final answer
    x = 51,167.54

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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.