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Finding the Fourth Proportional to 119,575.70, 179,363.55 and 100,548.80

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Solution

The fourth proportional to 119,575.70, 179,363.55 and 100,548.80 is: 150,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,575.70 : 179,363.55 = 100,548.80 : x
  2. Step 2: Convert to fraction form
    119,575.70/179,363.55 = 100,548.80/x
  3. Step 3: Cross multiply
    119,575.70x = 179,363.55 × 100,548.80
  4. Step 4: Simplify right side
    119,575.70x = 18,034,789,716.24
  5. Step 5: Solve for x
    x = 18,034,789,716.24/119,575.70
  6. Step 6: Final answer
    x = 150,823.20

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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.