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Finding the Fourth Proportional to 173,166.85, 239,024.69 and 101,575.81

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Solution

The fourth proportional to 173,166.85, 239,024.69 and 101,575.81 is: 140,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,166.85 : 239,024.69 = 101,575.81 : x
  2. Step 2: Convert to fraction form
    173,166.85/239,024.69 = 101,575.81/x
  3. Step 3: Cross multiply
    173,166.85x = 239,024.69 × 101,575.81
  4. Step 4: Simplify right side
    173,166.85x = 24,279,126,496.75
  5. Step 5: Solve for x
    x = 24,279,126,496.75/173,166.85
  6. Step 6: Final answer
    x = 140,206.55

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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.