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Finding the Fourth Proportional to 95,437.66, 143,179.74 and 28,874.04

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Solution

The fourth proportional to 95,437.66, 143,179.74 and 28,874.04 is: 43,318.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,437.66 : 143,179.74 = 28,874.04 : x
  2. Step 2: Convert to fraction form
    95,437.66/143,179.74 = 28,874.04/x
  3. Step 3: Cross multiply
    95,437.66x = 143,179.74 × 28,874.04
  4. Step 4: Simplify right side
    95,437.66x = 4,134,177,539.95
  5. Step 5: Solve for x
    x = 4,134,177,539.95/95,437.66
  6. Step 6: Final answer
    x = 43,318.09

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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.