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Finding the Fourth Proportional to 95,857.92, 132,279.84 and 53,417.28

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Solution

The fourth proportional to 95,857.92, 132,279.84 and 53,417.28 is: 73,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,857.92 : 132,279.84 = 53,417.28 : x
  2. Step 2: Convert to fraction form
    95,857.92/132,279.84 = 53,417.28/x
  3. Step 3: Cross multiply
    95,857.92x = 132,279.84 × 53,417.28
  4. Step 4: Simplify right side
    95,857.92x = 7,066,029,251.64
  5. Step 5: Solve for x
    x = 7,066,029,251.64/95,857.92
  6. Step 6: Final answer
    x = 73,713.57

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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.