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Finding the Fourth Proportional to 270,443.52, 373,205.07 and 149,581.80

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Solution

The fourth proportional to 270,443.52, 373,205.07 and 149,581.80 is: 206,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,443.52 : 373,205.07 = 149,581.80 : x
  2. Step 2: Convert to fraction form
    270,443.52/373,205.07 = 149,581.80/x
  3. Step 3: Cross multiply
    270,443.52x = 373,205.07 × 149,581.80
  4. Step 4: Simplify right side
    270,443.52x = 55,824,686,139.73
  5. Step 5: Solve for x
    x = 55,824,686,139.73/270,443.52
  6. Step 6: Final answer
    x = 206,419.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.