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Finding the Fourth Proportional to 244,494.80, 366,851.55 and 86,836.40

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Solution

The fourth proportional to 244,494.80, 366,851.55 and 86,836.40 is: 130,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,494.80 : 366,851.55 = 86,836.40 : x
  2. Step 2: Convert to fraction form
    244,494.80/366,851.55 = 86,836.40/x
  3. Step 3: Cross multiply
    244,494.80x = 366,851.55 × 86,836.40
  4. Step 4: Simplify right side
    244,494.80x = 31,856,067,936.42
  5. Step 5: Solve for x
    x = 31,856,067,936.42/244,494.80
  6. Step 6: Final answer
    x = 130,293.44

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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.