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Finding the Fourth Proportional to 367,728.22, 551,624.10 and 101,488.78

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Solution

The fourth proportional to 367,728.22, 551,624.10 and 101,488.78 is: 152,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,728.22 : 551,624.10 = 101,488.78 : x
  2. Step 2: Convert to fraction form
    367,728.22/551,624.10 = 101,488.78/x
  3. Step 3: Cross multiply
    367,728.22x = 551,624.10 × 101,488.78
  4. Step 4: Simplify right side
    367,728.22x = 55,983,656,927.60
  5. Step 5: Solve for x
    x = 55,983,656,927.60/367,728.22
  6. Step 6: Final answer
    x = 152,241.94

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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.