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Finding the Fourth Proportional to 171,433.80, 256,951.98 and 101,372.04

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Solution

The fourth proportional to 171,433.80, 256,951.98 and 101,372.04 is: 151,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,433.80 : 256,951.98 = 101,372.04 : x
  2. Step 2: Convert to fraction form
    171,433.80/256,951.98 = 101,372.04/x
  3. Step 3: Cross multiply
    171,433.80x = 256,951.98 × 101,372.04
  4. Step 4: Simplify right side
    171,433.80x = 26,047,746,394.64
  5. Step 5: Solve for x
    x = 26,047,746,394.64/171,433.80
  6. Step 6: Final answer
    x = 151,940.55

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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.