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Finding the Fourth Proportional to 171,216.10, 256,824.15 and 101,059.30

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Solution

The fourth proportional to 171,216.10, 256,824.15 and 101,059.30 is: 151,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,216.10 : 256,824.15 = 101,059.30 : x
  2. Step 2: Convert to fraction form
    171,216.10/256,824.15 = 101,059.30/x
  3. Step 3: Cross multiply
    171,216.10x = 256,824.15 × 101,059.30
  4. Step 4: Simplify right side
    171,216.10x = 25,954,468,822.10
  5. Step 5: Solve for x
    x = 25,954,468,822.10/171,216.10
  6. Step 6: Final answer
    x = 151,588.95

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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.