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Finding the Fourth Proportional to 170,846.60, 256,269.90 and 111,864.20

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Solution

The fourth proportional to 170,846.60, 256,269.90 and 111,864.20 is: 167,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,846.60 : 256,269.90 = 111,864.20 : x
  2. Step 2: Convert to fraction form
    170,846.60/256,269.90 = 111,864.20/x
  3. Step 3: Cross multiply
    170,846.60x = 256,269.90 × 111,864.20
  4. Step 4: Simplify right side
    170,846.60x = 28,667,427,347.58
  5. Step 5: Solve for x
    x = 28,667,427,347.58/170,846.60
  6. Step 6: Final answer
    x = 167,796.30

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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.