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Finding the Fourth Proportional to 181,467.64, 250,425.33 and 101,979.64

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Solution

The fourth proportional to 181,467.64, 250,425.33 and 101,979.64 is: 140,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,467.64 : 250,425.33 = 101,979.64 : x
  2. Step 2: Convert to fraction form
    181,467.64/250,425.33 = 101,979.64/x
  3. Step 3: Cross multiply
    181,467.64x = 250,425.33 × 101,979.64
  4. Step 4: Simplify right side
    181,467.64x = 25,538,285,000.28
  5. Step 5: Solve for x
    x = 25,538,285,000.28/181,467.64
  6. Step 6: Final answer
    x = 140,731.90

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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.