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Finding the Fourth Proportional to 85,224.80, 127,812.90 and 26,046.20

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Solution

The fourth proportional to 85,224.80, 127,812.90 and 26,046.20 is: 39,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,224.80 : 127,812.90 = 26,046.20 : x
  2. Step 2: Convert to fraction form
    85,224.80/127,812.90 = 26,046.20/x
  3. Step 3: Cross multiply
    85,224.80x = 127,812.90 × 26,046.20
  4. Step 4: Simplify right side
    85,224.80x = 3,329,040,355.98
  5. Step 5: Solve for x
    x = 3,329,040,355.98/85,224.80
  6. Step 6: Final answer
    x = 39,061.87

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1.5x scale

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.