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Finding the Fourth Proportional to 95,654.71, 143,410.65 and 65,987.92

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Solution

The fourth proportional to 95,654.71, 143,410.65 and 65,987.92 is: 98,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,654.71 : 143,410.65 = 65,987.92 : x
  2. Step 2: Convert to fraction form
    95,654.71/143,410.65 = 65,987.92/x
  3. Step 3: Cross multiply
    95,654.71x = 143,410.65 × 65,987.92
  4. Step 4: Simplify right side
    95,654.71x = 9,463,370,499.35
  5. Step 5: Solve for x
    x = 9,463,370,499.35/95,654.71
  6. Step 6: Final answer
    x = 98,932.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.