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Finding the Fourth Proportional to 84,898.92, 127,181.96 and 49,285.54

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Solution

The fourth proportional to 84,898.92, 127,181.96 and 49,285.54 is: 73,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,898.92 : 127,181.96 = 49,285.54 : x
  2. Step 2: Convert to fraction form
    84,898.92/127,181.96 = 49,285.54/x
  3. Step 3: Cross multiply
    84,898.92x = 127,181.96 × 49,285.54
  4. Step 4: Simplify right side
    84,898.92x = 6,268,231,576.86
  5. Step 5: Solve for x
    x = 6,268,231,576.86/84,898.92
  6. Step 6: Final answer
    x = 73,831.70

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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.