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Finding the Fourth Proportional to 79,463.87, 119,182.71 and 26,156.55

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Solution

The fourth proportional to 79,463.87, 119,182.71 and 26,156.55 is: 39,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,463.87 : 119,182.71 = 26,156.55 : x
  2. Step 2: Convert to fraction form
    79,463.87/119,182.71 = 26,156.55/x
  3. Step 3: Cross multiply
    79,463.87x = 119,182.71 × 26,156.55
  4. Step 4: Simplify right side
    79,463.87x = 3,117,407,851.95
  5. Step 5: Solve for x
    x = 3,117,407,851.95/79,463.87
  6. Step 6: Final answer
    x = 39,230.51

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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.