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Finding the Fourth Proportional to 244,948.80, 367,423.20 and 87,355.20

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Solution

The fourth proportional to 244,948.80, 367,423.20 and 87,355.20 is: 131,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,948.80 : 367,423.20 = 87,355.20 : x
  2. Step 2: Convert to fraction form
    244,948.80/367,423.20 = 87,355.20/x
  3. Step 3: Cross multiply
    244,948.80x = 367,423.20 × 87,355.20
  4. Step 4: Simplify right side
    244,948.80x = 32,096,327,120.64
  5. Step 5: Solve for x
    x = 32,096,327,120.64/244,948.80
  6. Step 6: Final answer
    x = 131,032.80

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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.