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Finding the Fourth Proportional to 151,032.96, 226,724.48 and 81,048.96

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Solution

The fourth proportional to 151,032.96, 226,724.48 and 81,048.96 is: 121,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,032.96 : 226,724.48 = 81,048.96 : x
  2. Step 2: Convert to fraction form
    151,032.96/226,724.48 = 81,048.96/x
  3. Step 3: Cross multiply
    151,032.96x = 226,724.48 × 81,048.96
  4. Step 4: Simplify right side
    151,032.96x = 18,375,783,310.54
  5. Step 5: Solve for x
    x = 18,375,783,310.54/151,032.96
  6. Step 6: Final answer
    x = 121,667.37

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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.