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Finding the Fourth Proportional to 95,578.88, 143,145.84 and 92,256.80

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Solution

The fourth proportional to 95,578.88, 143,145.84 and 92,256.80 is: 138,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,578.88 : 143,145.84 = 92,256.80 : x
  2. Step 2: Convert to fraction form
    95,578.88/143,145.84 = 92,256.80/x
  3. Step 3: Cross multiply
    95,578.88x = 143,145.84 × 92,256.80
  4. Step 4: Simplify right side
    95,578.88x = 13,206,177,131.71
  5. Step 5: Solve for x
    x = 13,206,177,131.71/95,578.88
  6. Step 6: Final answer
    x = 138,170.45

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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.