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Finding the Fourth Proportional to 95,498.56, 143,207.34 and 45,520.84

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Solution

The fourth proportional to 95,498.56, 143,207.34 and 45,520.84 is: 68,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,498.56 : 143,207.34 = 45,520.84 : x
  2. Step 2: Convert to fraction form
    95,498.56/143,207.34 = 45,520.84/x
  3. Step 3: Cross multiply
    95,498.56x = 143,207.34 × 45,520.84
  4. Step 4: Simplify right side
    95,498.56x = 6,518,918,410.97
  5. Step 5: Solve for x
    x = 6,518,918,410.97/95,498.56
  6. Step 6: Final answer
    x = 68,261.96

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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.