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Finding the Fourth Proportional to 71,161.92, 106,833.60 and 58,039.92

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Solution

The fourth proportional to 71,161.92, 106,833.60 and 58,039.92 is: 87,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,161.92 : 106,833.60 = 58,039.92 : x
  2. Step 2: Convert to fraction form
    71,161.92/106,833.60 = 58,039.92/x
  3. Step 3: Cross multiply
    71,161.92x = 106,833.60 × 58,039.92
  4. Step 4: Simplify right side
    71,161.92x = 6,200,613,597.31
  5. Step 5: Solve for x
    x = 6,200,613,597.31/71,161.92
  6. Step 6: Final answer
    x = 87,133.87

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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.