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Finding the Fourth Proportional to 361,663.22, 542,517.36 and 95,424.02

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Solution

The fourth proportional to 361,663.22, 542,517.36 and 95,424.02 is: 143,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,663.22 : 542,517.36 = 95,424.02 : x
  2. Step 2: Convert to fraction form
    361,663.22/542,517.36 = 95,424.02/x
  3. Step 3: Cross multiply
    361,663.22x = 542,517.36 × 95,424.02
  4. Step 4: Simplify right side
    361,663.22x = 51,769,184,698.40
  5. Step 5: Solve for x
    x = 51,769,184,698.40/361,663.22
  6. Step 6: Final answer
    x = 143,141.97

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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.