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Finding the Fourth Proportional to 95,969.40, 143,954.10 and 88,387.80

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Solution

The fourth proportional to 95,969.40, 143,954.10 and 88,387.80 is: 132,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,969.40 : 143,954.10 = 88,387.80 : x
  2. Step 2: Convert to fraction form
    95,969.40/143,954.10 = 88,387.80/x
  3. Step 3: Cross multiply
    95,969.40x = 143,954.10 × 88,387.80
  4. Step 4: Simplify right side
    95,969.40x = 12,723,786,199.98
  5. Step 5: Solve for x
    x = 12,723,786,199.98/95,969.40
  6. Step 6: Final answer
    x = 132,581.70

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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.