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Finding the Fourth Proportional to 95,956.60, 143,918.62 and 25,820.28

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Solution

The fourth proportional to 95,956.60, 143,918.62 and 25,820.28 is: 38,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,956.60 : 143,918.62 = 25,820.28 : x
  2. Step 2: Convert to fraction form
    95,956.60/143,918.62 = 25,820.28/x
  3. Step 3: Cross multiply
    95,956.60x = 143,918.62 × 25,820.28
  4. Step 4: Simplify right side
    95,956.60x = 3,716,019,065.61
  5. Step 5: Solve for x
    x = 3,716,019,065.61/95,956.60
  6. Step 6: Final answer
    x = 38,726.04

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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.