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Finding the Fourth Proportional to 223,195.77, 308,063.25 and 127,757.52

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Solution

The fourth proportional to 223,195.77, 308,063.25 and 127,757.52 is: 176,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,195.77 : 308,063.25 = 127,757.52 : x
  2. Step 2: Convert to fraction form
    223,195.77/308,063.25 = 127,757.52/x
  3. Step 3: Cross multiply
    223,195.77x = 308,063.25 × 127,757.52
  4. Step 4: Simplify right side
    223,195.77x = 39,357,396,823.14
  5. Step 5: Solve for x
    x = 39,357,396,823.14/223,195.77
  6. Step 6: Final answer
    x = 176,335.76

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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.