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Finding the Fourth Proportional to 95,877.44, 143,829.12 and 90,045.44

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Solution

The fourth proportional to 95,877.44, 143,829.12 and 90,045.44 is: 135,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,877.44 : 143,829.12 = 90,045.44 : x
  2. Step 2: Convert to fraction form
    95,877.44/143,829.12 = 90,045.44/x
  3. Step 3: Cross multiply
    95,877.44x = 143,829.12 × 90,045.44
  4. Step 4: Simplify right side
    95,877.44x = 12,951,156,395.21
  5. Step 5: Solve for x
    x = 12,951,156,395.21/95,877.44
  6. Step 6: Final answer
    x = 135,080.33

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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.