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Finding the Fourth Proportional to 107,172.34, 160,758.57 and 27,216.29

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Solution

The fourth proportional to 107,172.34, 160,758.57 and 27,216.29 is: 40,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,172.34 : 160,758.57 = 27,216.29 : x
  2. Step 2: Convert to fraction form
    107,172.34/160,758.57 = 27,216.29/x
  3. Step 3: Cross multiply
    107,172.34x = 160,758.57 × 27,216.29
  4. Step 4: Simplify right side
    107,172.34x = 4,375,251,861.11
  5. Step 5: Solve for x
    x = 4,375,251,861.11/107,172.34
  6. Step 6: Final answer
    x = 40,824.45

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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.