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Finding the Fourth Proportional to 133,030.35, 199,545.53 and 126,469.35

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Solution

The fourth proportional to 133,030.35, 199,545.53 and 126,469.35 is: 189,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,030.35 : 199,545.53 = 126,469.35 : x
  2. Step 2: Convert to fraction form
    133,030.35/199,545.53 = 126,469.35/x
  3. Step 3: Cross multiply
    133,030.35x = 199,545.53 × 126,469.35
  4. Step 4: Simplify right side
    133,030.35x = 25,236,392,842.16
  5. Step 5: Solve for x
    x = 25,236,392,842.16/133,030.35
  6. Step 6: Final answer
    x = 189,704.03

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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.