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Finding the Fourth Proportional to 95,505.84, 143,287.38 and 38,550.42

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Solution

The fourth proportional to 95,505.84, 143,287.38 and 38,550.42 is: 57,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,505.84 : 143,287.38 = 38,550.42 : x
  2. Step 2: Convert to fraction form
    95,505.84/143,287.38 = 38,550.42/x
  3. Step 3: Cross multiply
    95,505.84x = 143,287.38 × 38,550.42
  4. Step 4: Simplify right side
    95,505.84x = 5,523,788,679.70
  5. Step 5: Solve for x
    x = 5,523,788,679.70/95,505.84
  6. Step 6: Final answer
    x = 57,837.18

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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.