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Finding the Fourth Proportional to 223,610.88, 308,587.76 and 123,008.88

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Solution

The fourth proportional to 223,610.88, 308,587.76 and 123,008.88 is: 169,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,610.88 : 308,587.76 = 123,008.88 : x
  2. Step 2: Convert to fraction form
    223,610.88/308,587.76 = 123,008.88/x
  3. Step 3: Cross multiply
    223,610.88x = 308,587.76 × 123,008.88
  4. Step 4: Simplify right side
    223,610.88x = 37,959,034,739.31
  5. Step 5: Solve for x
    x = 37,959,034,739.31/223,610.88
  6. Step 6: Final answer
    x = 169,754.86

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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.