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Finding the Fourth Proportional to 218,145.60, 327,237.03 and 60,373.80

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Solution

The fourth proportional to 218,145.60, 327,237.03 and 60,373.80 is: 90,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,145.60 : 327,237.03 = 60,373.80 : x
  2. Step 2: Convert to fraction form
    218,145.60/327,237.03 = 60,373.80/x
  3. Step 3: Cross multiply
    218,145.60x = 327,237.03 × 60,373.80
  4. Step 4: Simplify right side
    218,145.60x = 19,756,543,001.81
  5. Step 5: Solve for x
    x = 19,756,543,001.81/218,145.60
  6. Step 6: Final answer
    x = 90,565.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.