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Finding the Fourth Proportional to 181,266.88, 250,144.80 and 100,694.08

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Solution

The fourth proportional to 181,266.88, 250,144.80 and 100,694.08 is: 138,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,266.88 : 250,144.80 = 100,694.08 : x
  2. Step 2: Convert to fraction form
    181,266.88/250,144.80 = 100,694.08/x
  3. Step 3: Cross multiply
    181,266.88x = 250,144.80 × 100,694.08
  4. Step 4: Simplify right side
    181,266.88x = 25,188,100,502.78
  5. Step 5: Solve for x
    x = 25,188,100,502.78/181,266.88
  6. Step 6: Final answer
    x = 138,955.89

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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.