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Finding the Fourth Proportional to 80,016.60, 119,999.52 and 33,258

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Solution

The fourth proportional to 80,016.60, 119,999.52 and 33,258 is: 49,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,016.60 : 119,999.52 = 33,258 : x
  2. Step 2: Convert to fraction form
    80,016.60/119,999.52 = 33,258/x
  3. Step 3: Cross multiply
    80,016.60x = 119,999.52 × 33,258
  4. Step 4: Simplify right side
    80,016.60x = 3,990,944,036.16
  5. Step 5: Solve for x
    x = 3,990,944,036.16/80,016.60
  6. Step 6: Final answer
    x = 49,876.45

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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.