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Finding the Fourth Proportional to 181,658.69, 272,456.58 and 55,268.31

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Solution

The fourth proportional to 181,658.69, 272,456.58 and 55,268.31 is: 82,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,658.69 : 272,456.58 = 55,268.31 : x
  2. Step 2: Convert to fraction form
    181,658.69/272,456.58 = 55,268.31/x
  3. Step 3: Cross multiply
    181,658.69x = 272,456.58 × 55,268.31
  4. Step 4: Simplify right side
    181,658.69x = 15,058,214,724.98
  5. Step 5: Solve for x
    x = 15,058,214,724.98/181,658.69
  6. Step 6: Final answer
    x = 82,892.90

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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.