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Finding the Fourth Proportional to 240,543.72, 360,811.92 and 82,773.48

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Solution

The fourth proportional to 240,543.72, 360,811.92 and 82,773.48 is: 124,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,543.72 : 360,811.92 = 82,773.48 : x
  2. Step 2: Convert to fraction form
    240,543.72/360,811.92 = 82,773.48/x
  3. Step 3: Cross multiply
    240,543.72x = 360,811.92 × 82,773.48
  4. Step 4: Simplify right side
    240,543.72x = 29,865,658,243.88
  5. Step 5: Solve for x
    x = 29,865,658,243.88/240,543.72
  6. Step 6: Final answer
    x = 124,158.96

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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.