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Finding the Fourth Proportional to 156,348.64, 215,765.22 and 95,952.76

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Solution

The fourth proportional to 156,348.64, 215,765.22 and 95,952.76 is: 132,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,348.64 : 215,765.22 = 95,952.76 : x
  2. Step 2: Convert to fraction form
    156,348.64/215,765.22 = 95,952.76/x
  3. Step 3: Cross multiply
    156,348.64x = 215,765.22 × 95,952.76
  4. Step 4: Simplify right side
    156,348.64x = 20,703,268,371.01
  5. Step 5: Solve for x
    x = 20,703,268,371.01/156,348.64
  6. Step 6: Final answer
    x = 132,417.32

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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.