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Finding the Fourth Proportional to 173,455.98, 239,371.11 and 101,836.86

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Solution

The fourth proportional to 173,455.98, 239,371.11 and 101,836.86 is: 140,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,455.98 : 239,371.11 = 101,836.86 : x
  2. Step 2: Convert to fraction form
    173,455.98/239,371.11 = 101,836.86/x
  3. Step 3: Cross multiply
    173,455.98x = 239,371.11 × 101,836.86
  4. Step 4: Simplify right side
    173,455.98x = 24,376,802,217.11
  5. Step 5: Solve for x
    x = 24,376,802,217.11/173,455.98
  6. Step 6: Final answer
    x = 140,535.96

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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.