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Finding the Fourth Proportional to 242,191.80, 363,305.88 and 64,694.88

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Solution

The fourth proportional to 242,191.80, 363,305.88 and 64,694.88 is: 97,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,191.80 : 363,305.88 = 64,694.88 : x
  2. Step 2: Convert to fraction form
    242,191.80/363,305.88 = 64,694.88/x
  3. Step 3: Cross multiply
    242,191.80x = 363,305.88 × 64,694.88
  4. Step 4: Simplify right side
    242,191.80x = 23,504,030,309.89
  5. Step 5: Solve for x
    x = 23,504,030,309.89/242,191.80
  6. Step 6: Final answer
    x = 97,047.18

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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.