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Finding the Fourth Proportional to 363,561.07, 545,590.72 and 126,903.73

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Solution

The fourth proportional to 363,561.07, 545,590.72 and 126,903.73 is: 190,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,561.07 : 545,590.72 = 126,903.73 : x
  2. Step 2: Convert to fraction form
    363,561.07/545,590.72 = 126,903.73/x
  3. Step 3: Cross multiply
    363,561.07x = 545,590.72 × 126,903.73
  4. Step 4: Simplify right side
    363,561.07x = 69,237,494,693.43
  5. Step 5: Solve for x
    x = 69,237,494,693.43/363,561.07
  6. Step 6: Final answer
    x = 190,442.55

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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.