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Finding the Fourth Proportional to 170,846.60, 256,269.90 and 113,765.90

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Solution

The fourth proportional to 170,846.60, 256,269.90 and 113,765.90 is: 170,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,846.60 : 256,269.90 = 113,765.90 : x
  2. Step 2: Convert to fraction form
    170,846.60/256,269.90 = 113,765.90/x
  3. Step 3: Cross multiply
    170,846.60x = 256,269.90 × 113,765.90
  4. Step 4: Simplify right side
    170,846.60x = 29,154,775,816.41
  5. Step 5: Solve for x
    x = 29,154,775,816.41/170,846.60
  6. Step 6: Final answer
    x = 170,648.85

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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.