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Finding the Fourth Proportional to 363,559.69, 545,588.66 and 126,902.35

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Solution

The fourth proportional to 363,559.69, 545,588.66 and 126,902.35 is: 190,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,559.69 : 545,588.66 = 126,902.35 : x
  2. Step 2: Convert to fraction form
    363,559.69/545,588.66 = 126,902.35/x
  3. Step 3: Cross multiply
    363,559.69x = 545,588.66 × 126,902.35
  4. Step 4: Simplify right side
    363,559.69x = 69,236,483,087.35
  5. Step 5: Solve for x
    x = 69,236,483,087.35/363,559.69
  6. Step 6: Final answer
    x = 190,440.48

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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.