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Finding the Fourth Proportional to 171,218.10, 256,827.15 and 101,061.30

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Solution

The fourth proportional to 171,218.10, 256,827.15 and 101,061.30 is: 151,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,218.10 : 256,827.15 = 101,061.30 : x
  2. Step 2: Convert to fraction form
    171,218.10/256,827.15 = 101,061.30/x
  3. Step 3: Cross multiply
    171,218.10x = 256,827.15 × 101,061.30
  4. Step 4: Simplify right side
    171,218.10x = 25,955,285,654.30
  5. Step 5: Solve for x
    x = 25,955,285,654.30/171,218.10
  6. Step 6: Final answer
    x = 151,591.95

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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.