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Finding the Fourth Proportional to 234,053.20, 350,390.49 and 145,020.43

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Solution

The fourth proportional to 234,053.20, 350,390.49 and 145,020.43 is: 217,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,053.20 : 350,390.49 = 145,020.43 : x
  2. Step 2: Convert to fraction form
    234,053.20/350,390.49 = 145,020.43/x
  3. Step 3: Cross multiply
    234,053.20x = 350,390.49 × 145,020.43
  4. Step 4: Simplify right side
    234,053.20x = 50,813,779,527.71
  5. Step 5: Solve for x
    x = 50,813,779,527.71/234,053.20
  6. Step 6: Final answer
    x = 217,103.55

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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.