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Finding the Fourth Proportional to 171,227.20, 256,840.80 and 44,867.20

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Solution

The fourth proportional to 171,227.20, 256,840.80 and 44,867.20 is: 67,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,227.20 : 256,840.80 = 44,867.20 : x
  2. Step 2: Convert to fraction form
    171,227.20/256,840.80 = 44,867.20/x
  3. Step 3: Cross multiply
    171,227.20x = 256,840.80 × 44,867.20
  4. Step 4: Simplify right side
    171,227.20x = 11,523,727,541.76
  5. Step 5: Solve for x
    x = 11,523,727,541.76/171,227.20
  6. Step 6: Final answer
    x = 67,300.80

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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.