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Finding the Fourth Proportional to 225,873.80, 338,580.30 and 132,331.40

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Solution

The fourth proportional to 225,873.80, 338,580.30 and 132,331.40 is: 198,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,873.80 : 338,580.30 = 132,331.40 : x
  2. Step 2: Convert to fraction form
    225,873.80/338,580.30 = 132,331.40/x
  3. Step 3: Cross multiply
    225,873.80x = 338,580.30 × 132,331.40
  4. Step 4: Simplify right side
    225,873.80x = 44,804,805,111.42
  5. Step 5: Solve for x
    x = 44,804,805,111.42/225,873.80
  6. Step 6: Final answer
    x = 198,362.12

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1.5x scale

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.