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Finding the Fourth Proportional to 158,614.95, 218,773.94 and 134,703.75

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Solution

The fourth proportional to 158,614.95, 218,773.94 and 134,703.75 is: 185,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,614.95 : 218,773.94 = 134,703.75 : x
  2. Step 2: Convert to fraction form
    158,614.95/218,773.94 = 134,703.75/x
  3. Step 3: Cross multiply
    158,614.95x = 218,773.94 × 134,703.75
  4. Step 4: Simplify right side
    158,614.95x = 29,469,669,446.76
  5. Step 5: Solve for x
    x = 29,469,669,446.76/158,614.95
  6. Step 6: Final answer
    x = 185,793.77

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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.