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Finding the Fourth Proportional to 244,654.90, 366,982.35 and 78,459.70

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Solution

The fourth proportional to 244,654.90, 366,982.35 and 78,459.70 is: 117,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,654.90 : 366,982.35 = 78,459.70 : x
  2. Step 2: Convert to fraction form
    244,654.90/366,982.35 = 78,459.70/x
  3. Step 3: Cross multiply
    244,654.90x = 366,982.35 × 78,459.70
  4. Step 4: Simplify right side
    244,654.90x = 28,793,325,086.30
  5. Step 5: Solve for x
    x = 28,793,325,086.30/244,654.90
  6. Step 6: Final answer
    x = 117,689.55

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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.