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Finding the Fourth Proportional to 181,805.58, 251,014.86 and 113,849.82

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Solution

The fourth proportional to 181,805.58, 251,014.86 and 113,849.82 is: 157,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,805.58 : 251,014.86 = 113,849.82 : x
  2. Step 2: Convert to fraction form
    181,805.58/251,014.86 = 113,849.82/x
  3. Step 3: Cross multiply
    181,805.58x = 251,014.86 × 113,849.82
  4. Step 4: Simplify right side
    181,805.58x = 28,577,996,628.33
  5. Step 5: Solve for x
    x = 28,577,996,628.33/181,805.58
  6. Step 6: Final answer
    x = 157,189.88

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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.