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Finding the Fourth Proportional to 218,362.60, 327,543.90 and 60,591.08

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Solution

The fourth proportional to 218,362.60, 327,543.90 and 60,591.08 is: 90,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,362.60 : 327,543.90 = 60,591.08 : x
  2. Step 2: Convert to fraction form
    218,362.60/327,543.90 = 60,591.08/x
  3. Step 3: Cross multiply
    218,362.60x = 327,543.90 × 60,591.08
  4. Step 4: Simplify right side
    218,362.60x = 19,846,238,648.41
  5. Step 5: Solve for x
    x = 19,846,238,648.41/218,362.60
  6. Step 6: Final answer
    x = 90,886.62

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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.