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Finding the Fourth Proportional to 95,616.72, 131,859.48 and 63,300.16

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Solution

The fourth proportional to 95,616.72, 131,859.48 and 63,300.16 is: 87,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,616.72 : 131,859.48 = 63,300.16 : x
  2. Step 2: Convert to fraction form
    95,616.72/131,859.48 = 63,300.16/x
  3. Step 3: Cross multiply
    95,616.72x = 131,859.48 × 63,300.16
  4. Step 4: Simplify right side
    95,616.72x = 8,346,726,181.52
  5. Step 5: Solve for x
    x = 8,346,726,181.52/95,616.72
  6. Step 6: Final answer
    x = 87,293.58

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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.