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Finding the Fourth Proportional to 218,069.80, 327,104.70 and 93,423.40

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Solution

The fourth proportional to 218,069.80, 327,104.70 and 93,423.40 is: 140,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,069.80 : 327,104.70 = 93,423.40 : x
  2. Step 2: Convert to fraction form
    218,069.80/327,104.70 = 93,423.40/x
  3. Step 3: Cross multiply
    218,069.80x = 327,104.70 × 93,423.40
  4. Step 4: Simplify right side
    218,069.80x = 30,559,233,229.98
  5. Step 5: Solve for x
    x = 30,559,233,229.98/218,069.80
  6. Step 6: Final answer
    x = 140,135.10

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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.