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Finding the Fourth Proportional to 71,167.71, 106,715.32 and 23,765.76

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Solution

The fourth proportional to 71,167.71, 106,715.32 and 23,765.76 is: 35,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,167.71 : 106,715.32 = 23,765.76 : x
  2. Step 2: Convert to fraction form
    71,167.71/106,715.32 = 23,765.76/x
  3. Step 3: Cross multiply
    71,167.71x = 106,715.32 × 23,765.76
  4. Step 4: Simplify right side
    71,167.71x = 2,536,170,683.44
  5. Step 5: Solve for x
    x = 2,536,170,683.44/71,167.71
  6. Step 6: Final answer
    x = 35,636.54

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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.