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Finding the Fourth Proportional to 218,793.04, 328,189.48 and 52,581.04

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Solution

The fourth proportional to 218,793.04, 328,189.48 and 52,581.04 is: 78,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,793.04 : 328,189.48 = 52,581.04 : x
  2. Step 2: Convert to fraction form
    218,793.04/328,189.48 = 52,581.04/x
  3. Step 3: Cross multiply
    218,793.04x = 328,189.48 × 52,581.04
  4. Step 4: Simplify right side
    218,793.04x = 17,256,544,175.46
  5. Step 5: Solve for x
    x = 17,256,544,175.46/218,793.04
  6. Step 6: Final answer
    x = 78,871.54

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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.