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Finding the Fourth Proportional to 95,878.64, 143,808.24 and 25,748.84

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Solution

The fourth proportional to 95,878.64, 143,808.24 and 25,748.84 is: 38,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,878.64 : 143,808.24 = 25,748.84 : x
  2. Step 2: Convert to fraction form
    95,878.64/143,808.24 = 25,748.84/x
  3. Step 3: Cross multiply
    95,878.64x = 143,808.24 × 25,748.84
  4. Step 4: Simplify right side
    95,878.64x = 3,702,895,362.44
  5. Step 5: Solve for x
    x = 3,702,895,362.44/95,878.64
  6. Step 6: Final answer
    x = 38,620.65

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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.