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Finding the Fourth Proportional to 181,446.30, 272,169.45 and 55,086.30

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Solution

The fourth proportional to 181,446.30, 272,169.45 and 55,086.30 is: 82,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,446.30 : 272,169.45 = 55,086.30 : x
  2. Step 2: Convert to fraction form
    181,446.30/272,169.45 = 55,086.30/x
  3. Step 3: Cross multiply
    181,446.30x = 272,169.45 × 55,086.30
  4. Step 4: Simplify right side
    181,446.30x = 14,992,807,973.54
  5. Step 5: Solve for x
    x = 14,992,807,973.54/181,446.30
  6. Step 6: Final answer
    x = 82,629.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.