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Finding the Fourth Proportional to 272,447.85, 408,450.34 and 95,079.42

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Solution

The fourth proportional to 272,447.85, 408,450.34 and 95,079.42 is: 142,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,447.85 : 408,450.34 = 95,079.42 : x
  2. Step 2: Convert to fraction form
    272,447.85/408,450.34 = 95,079.42/x
  3. Step 3: Cross multiply
    272,447.85x = 408,450.34 × 95,079.42
  4. Step 4: Simplify right side
    272,447.85x = 38,835,221,426.00
  5. Step 5: Solve for x
    x = 38,835,221,426.00/272,447.85
  6. Step 6: Final answer
    x = 142,541.85

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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.