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Finding the Fourth Proportional to 181,882.15, 251,156.16 and 114,016.09

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Solution

The fourth proportional to 181,882.15, 251,156.16 and 114,016.09 is: 157,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,882.15 : 251,156.16 = 114,016.09 : x
  2. Step 2: Convert to fraction form
    181,882.15/251,156.16 = 114,016.09/x
  3. Step 3: Cross multiply
    181,882.15x = 251,156.16 × 114,016.09
  4. Step 4: Simplify right side
    181,882.15x = 28,635,843,342.61
  5. Step 5: Solve for x
    x = 28,635,843,342.61/181,882.15
  6. Step 6: Final answer
    x = 157,441.75

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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.