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Finding the Fourth Proportional to 156,117.75, 215,447.71 and 95,676.71

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Solution

The fourth proportional to 156,117.75, 215,447.71 and 95,676.71 is: 132,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,117.75 : 215,447.71 = 95,676.71 : x
  2. Step 2: Convert to fraction form
    156,117.75/215,447.71 = 95,676.71/x
  3. Step 3: Cross multiply
    156,117.75x = 215,447.71 × 95,676.71
  4. Step 4: Simplify right side
    156,117.75x = 20,613,327,591.45
  5. Step 5: Solve for x
    x = 20,613,327,591.45/156,117.75
  6. Step 6: Final answer
    x = 132,037.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.