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Finding the Fourth Proportional to 173,909.28, 239,974.56 and 97,417.44

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Solution

The fourth proportional to 173,909.28, 239,974.56 and 97,417.44 is: 134,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,909.28 : 239,974.56 = 97,417.44 : x
  2. Step 2: Convert to fraction form
    173,909.28/239,974.56 = 97,417.44/x
  3. Step 3: Cross multiply
    173,909.28x = 239,974.56 × 97,417.44
  4. Step 4: Simplify right side
    173,909.28x = 23,377,707,300.33
  5. Step 5: Solve for x
    x = 23,377,707,300.33/173,909.28
  6. Step 6: Final answer
    x = 134,424.73

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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.