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Finding the Fourth Proportional to 181,468.88, 250,427.05 and 101,980.88

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Solution

The fourth proportional to 181,468.88, 250,427.05 and 101,980.88 is: 140,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,468.88 : 250,427.05 = 101,980.88 : x
  2. Step 2: Convert to fraction form
    181,468.88/250,427.05 = 101,980.88/x
  3. Step 3: Cross multiply
    181,468.88x = 250,427.05 × 101,980.88
  4. Step 4: Simplify right side
    181,468.88x = 25,538,769,427.72
  5. Step 5: Solve for x
    x = 25,538,769,427.72/181,468.88
  6. Step 6: Final answer
    x = 140,733.61

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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.