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Finding the Fourth Proportional to 363,766.86, 545,396.40 and 161,253.18

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Solution

The fourth proportional to 363,766.86, 545,396.40 and 161,253.18 is: 241,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,766.86 : 545,396.40 = 161,253.18 : x
  2. Step 2: Convert to fraction form
    363,766.86/545,396.40 = 161,253.18/x
  3. Step 3: Cross multiply
    363,766.86x = 545,396.40 × 161,253.18
  4. Step 4: Simplify right side
    363,766.86x = 87,946,903,860.55
  5. Step 5: Solve for x
    x = 87,946,903,860.55/363,766.86
  6. Step 6: Final answer
    x = 241,767.22

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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.