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Finding the Fourth Proportional to 66,167.90, 99,251.18 and 26,724.48

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Solution

The fourth proportional to 66,167.90, 99,251.18 and 26,724.48 is: 40,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,167.90 : 99,251.18 = 26,724.48 : x
  2. Step 2: Convert to fraction form
    66,167.90/99,251.18 = 26,724.48/x
  3. Step 3: Cross multiply
    66,167.90x = 99,251.18 × 26,724.48
  4. Step 4: Simplify right side
    66,167.90x = 2,652,436,174.89
  5. Step 5: Solve for x
    x = 2,652,436,174.89/66,167.90
  6. Step 6: Final answer
    x = 40,086.45

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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.