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Finding the Fourth Proportional to 181,186.48, 250,028.92 and 100,619.16

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Solution

The fourth proportional to 181,186.48, 250,028.92 and 100,619.16 is: 138,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,186.48 : 250,028.92 = 100,619.16 : x
  2. Step 2: Convert to fraction form
    181,186.48/250,028.92 = 100,619.16/x
  3. Step 3: Cross multiply
    181,186.48x = 250,028.92 × 100,619.16
  4. Step 4: Simplify right side
    181,186.48x = 25,157,699,906.11
  5. Step 5: Solve for x
    x = 25,157,699,906.11/181,186.48
  6. Step 6: Final answer
    x = 138,849.76

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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.