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Finding the Fourth Proportional to 166,463.92, 229,702.20 and 98,483.44

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Solution

The fourth proportional to 166,463.92, 229,702.20 and 98,483.44 is: 135,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,463.92 : 229,702.20 = 98,483.44 : x
  2. Step 2: Convert to fraction form
    166,463.92/229,702.20 = 98,483.44/x
  3. Step 3: Cross multiply
    166,463.92x = 229,702.20 × 98,483.44
  4. Step 4: Simplify right side
    166,463.92x = 22,621,862,831.57
  5. Step 5: Solve for x
    x = 22,621,862,831.57/166,463.92
  6. Step 6: Final answer
    x = 135,896.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.