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Finding the Fourth Proportional to 361,619.91, 542,367.90 and 95,383.04

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Solution

The fourth proportional to 361,619.91, 542,367.90 and 95,383.04 is: 143,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,619.91 : 542,367.90 = 95,383.04 : x
  2. Step 2: Convert to fraction form
    361,619.91/542,367.90 = 95,383.04/x
  3. Step 3: Cross multiply
    361,619.91x = 542,367.90 × 95,383.04
  4. Step 4: Simplify right side
    361,619.91x = 51,732,696,388.58
  5. Step 5: Solve for x
    x = 51,732,696,388.58/361,619.91
  6. Step 6: Final answer
    x = 143,058.21

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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.