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Finding the Fourth Proportional to 95,472.90, 143,230.01 and 36,309.69

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Solution

The fourth proportional to 95,472.90, 143,230.01 and 36,309.69 is: 54,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,472.90 : 143,230.01 = 36,309.69 : x
  2. Step 2: Convert to fraction form
    95,472.90/143,230.01 = 36,309.69/x
  3. Step 3: Cross multiply
    95,472.90x = 143,230.01 × 36,309.69
  4. Step 4: Simplify right side
    95,472.90x = 5,200,637,080.25
  5. Step 5: Solve for x
    x = 5,200,637,080.25/95,472.90
  6. Step 6: Final answer
    x = 54,472.39

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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.