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Finding the Fourth Proportional to 95,995.38, 132,471.78 and 52,978.92

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Solution

The fourth proportional to 95,995.38, 132,471.78 and 52,978.92 is: 73,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,995.38 : 132,471.78 = 52,978.92 : x
  2. Step 2: Convert to fraction form
    95,995.38/132,471.78 = 52,978.92/x
  3. Step 3: Cross multiply
    95,995.38x = 132,471.78 × 52,978.92
  4. Step 4: Simplify right side
    95,995.38x = 7,018,211,834.88
  5. Step 5: Solve for x
    x = 7,018,211,834.88/95,995.38
  6. Step 6: Final answer
    x = 73,109.89

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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.