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Finding the Fourth Proportional to 361,662.48, 542,431.80 and 95,425.74

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Solution

The fourth proportional to 361,662.48, 542,431.80 and 95,425.74 is: 143,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,662.48 : 542,431.80 = 95,425.74 : x
  2. Step 2: Convert to fraction form
    361,662.48/542,431.80 = 95,425.74/x
  3. Step 3: Cross multiply
    361,662.48x = 542,431.80 × 95,425.74
  4. Step 4: Simplify right side
    361,662.48x = 51,761,955,914.53
  5. Step 5: Solve for x
    x = 51,761,955,914.53/361,662.48
  6. Step 6: Final answer
    x = 143,122.27

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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.