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Finding the Fourth Proportional to 244,697.40, 367,046.10 and 78,502.20

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Solution

The fourth proportional to 244,697.40, 367,046.10 and 78,502.20 is: 117,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,697.40 : 367,046.10 = 78,502.20 : x
  2. Step 2: Convert to fraction form
    244,697.40/367,046.10 = 78,502.20/x
  3. Step 3: Cross multiply
    244,697.40x = 367,046.10 × 78,502.20
  4. Step 4: Simplify right side
    244,697.40x = 28,813,926,351.42
  5. Step 5: Solve for x
    x = 28,813,926,351.42/244,697.40
  6. Step 6: Final answer
    x = 117,753.30

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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.