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Finding the Fourth Proportional to 171,144.56, 256,717.56 and 112,352.24

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Solution

The fourth proportional to 171,144.56, 256,717.56 and 112,352.24 is: 168,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,144.56 : 256,717.56 = 112,352.24 : x
  2. Step 2: Convert to fraction form
    171,144.56/256,717.56 = 112,352.24/x
  3. Step 3: Cross multiply
    171,144.56x = 256,717.56 × 112,352.24
  4. Step 4: Simplify right side
    171,144.56x = 28,842,792,913.33
  5. Step 5: Solve for x
    x = 28,842,792,913.33/171,144.56
  6. Step 6: Final answer
    x = 168,528.83

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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.