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Finding the Fourth Proportional to 269,800.38, 372,314.76 and 148,939.08

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Solution

The fourth proportional to 269,800.38, 372,314.76 and 148,939.08 is: 205,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,800.38 : 372,314.76 = 148,939.08 : x
  2. Step 2: Convert to fraction form
    269,800.38/372,314.76 = 148,939.08/x
  3. Step 3: Cross multiply
    269,800.38x = 372,314.76 × 148,939.08
  4. Step 4: Simplify right side
    269,800.38x = 55,452,217,824.82
  5. Step 5: Solve for x
    x = 55,452,217,824.82/269,800.38
  6. Step 6: Final answer
    x = 205,530.54

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1.5x scale

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.