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Finding the Fourth Proportional to 71,170.72, 106,719.81 and 23,768.76

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Solution

The fourth proportional to 71,170.72, 106,719.81 and 23,768.76 is: 35,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,170.72 : 106,719.81 = 23,768.76 : x
  2. Step 2: Convert to fraction form
    71,170.72/106,719.81 = 23,768.76/x
  3. Step 3: Cross multiply
    71,170.72x = 106,719.81 × 23,768.76
  4. Step 4: Simplify right side
    71,170.72x = 2,536,597,551.14
  5. Step 5: Solve for x
    x = 2,536,597,551.14/71,170.72
  6. Step 6: Final answer
    x = 35,641.03

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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.