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Finding the Fourth Proportional to 108,250.80, 162,400.80 and 49,103.38

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Solution

The fourth proportional to 108,250.80, 162,400.80 and 49,103.38 is: 73,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,250.80 : 162,400.80 = 49,103.38 : x
  2. Step 2: Convert to fraction form
    108,250.80/162,400.80 = 49,103.38/x
  3. Step 3: Cross multiply
    108,250.80x = 162,400.80 × 49,103.38
  4. Step 4: Simplify right side
    108,250.80x = 7,974,428,194.70
  5. Step 5: Solve for x
    x = 7,974,428,194.70/108,250.80
  6. Step 6: Final answer
    x = 73,666.23

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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.