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Finding the Fourth Proportional to 181,662.80, 250,654.92 and 106,176.72

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Solution

The fourth proportional to 181,662.80, 250,654.92 and 106,176.72 is: 146,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,662.80 : 250,654.92 = 106,176.72 : x
  2. Step 2: Convert to fraction form
    181,662.80/250,654.92 = 106,176.72/x
  3. Step 3: Cross multiply
    181,662.80x = 250,654.92 × 106,176.72
  4. Step 4: Simplify right side
    181,662.80x = 26,613,717,257.46
  5. Step 5: Solve for x
    x = 26,613,717,257.46/181,662.80
  6. Step 6: Final answer
    x = 146,500.64

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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.