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Finding the Fourth Proportional to 361,805.31, 542,733.87 and 95,563.17

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Solution

The fourth proportional to 361,805.31, 542,733.87 and 95,563.17 is: 143,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,805.31 : 542,733.87 = 95,563.17 : x
  2. Step 2: Convert to fraction form
    361,805.31/542,733.87 = 95,563.17/x
  3. Step 3: Cross multiply
    361,805.31x = 542,733.87 × 95,563.17
  4. Step 4: Simplify right side
    361,805.31x = 51,865,369,083.57
  5. Step 5: Solve for x
    x = 51,865,369,083.57/361,805.31
  6. Step 6: Final answer
    x = 143,351.60

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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.