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Finding the Fourth Proportional to 361,805.30, 542,733.87 and 95,563.16

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Solution

The fourth proportional to 361,805.30, 542,733.87 and 95,563.16 is: 143,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,805.30 : 542,733.87 = 95,563.16 : x
  2. Step 2: Convert to fraction form
    361,805.30/542,733.87 = 95,563.16/x
  3. Step 3: Cross multiply
    361,805.30x = 542,733.87 × 95,563.16
  4. Step 4: Simplify right side
    361,805.30x = 51,865,360,942.56
  5. Step 5: Solve for x
    x = 51,865,360,942.56/361,805.30
  6. Step 6: Final answer
    x = 143,351.58

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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.