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Finding the Fourth Proportional to 181,201.48, 250,049.56 and 100,634.20

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Solution

The fourth proportional to 181,201.48, 250,049.56 and 100,634.20 is: 138,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,201.48 : 250,049.56 = 100,634.20 : x
  2. Step 2: Convert to fraction form
    181,201.48/250,049.56 = 100,634.20/x
  3. Step 3: Cross multiply
    181,201.48x = 250,049.56 × 100,634.20
  4. Step 4: Simplify right side
    181,201.48x = 25,163,537,430.95
  5. Step 5: Solve for x
    x = 25,163,537,430.95/181,201.48
  6. Step 6: Final answer
    x = 138,870.49

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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.