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Finding the Fourth Proportional to 158,591.27, 218,795.90 and 101,232.74

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Solution

The fourth proportional to 158,591.27, 218,795.90 and 101,232.74 is: 139,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,591.27 : 218,795.90 = 101,232.74 : x
  2. Step 2: Convert to fraction form
    158,591.27/218,795.90 = 101,232.74/x
  3. Step 3: Cross multiply
    158,591.27x = 218,795.90 × 101,232.74
  4. Step 4: Simplify right side
    158,591.27x = 22,149,306,857.62
  5. Step 5: Solve for x
    x = 22,149,306,857.62/158,591.27
  6. Step 6: Final answer
    x = 139,662.84

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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.