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Finding the Fourth Proportional to 79,524, 119,286.72 and 24,120

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Solution

The fourth proportional to 79,524, 119,286.72 and 24,120 is: 36,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,524 : 119,286.72 = 24,120 : x
  2. Step 2: Convert to fraction form
    79,524/119,286.72 = 24,120/x
  3. Step 3: Cross multiply
    79,524x = 119,286.72 × 24,120
  4. Step 4: Simplify right side
    79,524x = 2,877,195,686.40
  5. Step 5: Solve for x
    x = 2,877,195,686.40/79,524
  6. Step 6: Final answer
    x = 36,180.22

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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.