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Finding the Fourth Proportional to 95,549.76, 131,863.14 and 53,109

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Solution

The fourth proportional to 95,549.76, 131,863.14 and 53,109 is: 73,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,549.76 : 131,863.14 = 53,109 : x
  2. Step 2: Convert to fraction form
    95,549.76/131,863.14 = 53,109/x
  3. Step 3: Cross multiply
    95,549.76x = 131,863.14 × 53,109
  4. Step 4: Simplify right side
    95,549.76x = 7,003,119,502.26
  5. Step 5: Solve for x
    x = 7,003,119,502.26/95,549.76
  6. Step 6: Final answer
    x = 73,292.91

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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.