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Finding the Fourth Proportional to 171,243.20, 256,864.80 and 44,883.20

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Solution

The fourth proportional to 171,243.20, 256,864.80 and 44,883.20 is: 67,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,243.20 : 256,864.80 = 44,883.20 : x
  2. Step 2: Convert to fraction form
    171,243.20/256,864.80 = 44,883.20/x
  3. Step 3: Cross multiply
    171,243.20x = 256,864.80 × 44,883.20
  4. Step 4: Simplify right side
    171,243.20x = 11,528,914,191.36
  5. Step 5: Solve for x
    x = 11,528,914,191.36/171,243.20
  6. Step 6: Final answer
    x = 67,324.80

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1.5x scale

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.