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Finding the Fourth Proportional to 363,400.48, 545,150.55 and 123,449.94

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Solution

The fourth proportional to 363,400.48, 545,150.55 and 123,449.94 is: 185,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,400.48 : 545,150.55 = 123,449.94 : x
  2. Step 2: Convert to fraction form
    363,400.48/545,150.55 = 123,449.94/x
  3. Step 3: Cross multiply
    363,400.48x = 545,150.55 × 123,449.94
  4. Step 4: Simplify right side
    363,400.48x = 67,298,803,151.40
  5. Step 5: Solve for x
    x = 67,298,803,151.40/363,400.48
  6. Step 6: Final answer
    x = 185,191.84

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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.