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Finding the Fourth Proportional to 181,189.57, 250,047.87 and 100,618.45

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Solution

The fourth proportional to 181,189.57, 250,047.87 and 100,618.45 is: 138,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,189.57 : 250,047.87 = 100,618.45 : x
  2. Step 2: Convert to fraction form
    181,189.57/250,047.87 = 100,618.45/x
  3. Step 3: Cross multiply
    181,189.57x = 250,047.87 × 100,618.45
  4. Step 4: Simplify right side
    181,189.57x = 25,159,429,105.20
  5. Step 5: Solve for x
    x = 25,159,429,105.20/181,189.57
  6. Step 6: Final answer
    x = 138,856.94

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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.