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Finding the Fourth Proportional to 79,539, 119,309.22 and 24,135

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Solution

The fourth proportional to 79,539, 119,309.22 and 24,135 is: 36,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,539 : 119,309.22 = 24,135 : x
  2. Step 2: Convert to fraction form
    79,539/119,309.22 = 24,135/x
  3. Step 3: Cross multiply
    79,539x = 119,309.22 × 24,135
  4. Step 4: Simplify right side
    79,539x = 2,879,528,024.70
  5. Step 5: Solve for x
    x = 2,879,528,024.70/79,539
  6. Step 6: Final answer
    x = 36,202.72

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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.