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Finding the Fourth Proportional to 95,400.90, 143,172.45 and 36,351.90

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Solution

The fourth proportional to 95,400.90, 143,172.45 and 36,351.90 is: 54,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,400.90 : 143,172.45 = 36,351.90 : x
  2. Step 2: Convert to fraction form
    95,400.90/143,172.45 = 36,351.90/x
  3. Step 3: Cross multiply
    95,400.90x = 143,172.45 × 36,351.90
  4. Step 4: Simplify right side
    95,400.90x = 5,204,590,585.16
  5. Step 5: Solve for x
    x = 5,204,590,585.16/95,400.90
  6. Step 6: Final answer
    x = 54,554.94

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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.