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Finding the Fourth Proportional to 181,227.93, 250,102.89 and 100,655.79

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Solution

The fourth proportional to 181,227.93, 250,102.89 and 100,655.79 is: 138,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,227.93 : 250,102.89 = 100,655.79 : x
  2. Step 2: Convert to fraction form
    181,227.93/250,102.89 = 100,655.79/x
  3. Step 3: Cross multiply
    181,227.93x = 250,102.89 × 100,655.79
  4. Step 4: Simplify right side
    181,227.93x = 25,174,303,974.23
  5. Step 5: Solve for x
    x = 25,174,303,974.23/181,227.93
  6. Step 6: Final answer
    x = 138,909.63

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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.