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Finding the Fourth Proportional to 124,234.60, 171,438.60 and 67,645.84

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Solution

The fourth proportional to 124,234.60, 171,438.60 and 67,645.84 is: 93,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,234.60 : 171,438.60 = 67,645.84 : x
  2. Step 2: Convert to fraction form
    124,234.60/171,438.60 = 67,645.84/x
  3. Step 3: Cross multiply
    124,234.60x = 171,438.60 × 67,645.84
  4. Step 4: Simplify right side
    124,234.60x = 11,597,108,105.42
  5. Step 5: Solve for x
    x = 11,597,108,105.42/124,234.60
  6. Step 6: Final answer
    x = 93,348.46

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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.