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Finding the Fourth Proportional to 170,773.52, 256,234.20 and 70,955.60

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Solution

The fourth proportional to 170,773.52, 256,234.20 and 70,955.60 is: 106,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,773.52 : 256,234.20 = 70,955.60 : x
  2. Step 2: Convert to fraction form
    170,773.52/256,234.20 = 70,955.60/x
  3. Step 3: Cross multiply
    170,773.52x = 256,234.20 × 70,955.60
  4. Step 4: Simplify right side
    170,773.52x = 18,181,251,401.52
  5. Step 5: Solve for x
    x = 18,181,251,401.52/170,773.52
  6. Step 6: Final answer
    x = 106,464.11

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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.