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Finding the Fourth Proportional to 170,597.76, 256,118.37 and 131,182.54

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Solution

The fourth proportional to 170,597.76, 256,118.37 and 131,182.54 is: 196,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,597.76 : 256,118.37 = 131,182.54 : x
  2. Step 2: Convert to fraction form
    170,597.76/256,118.37 = 131,182.54/x
  3. Step 3: Cross multiply
    170,597.76x = 256,118.37 × 131,182.54
  4. Step 4: Simplify right side
    170,597.76x = 33,598,258,317.26
  5. Step 5: Solve for x
    x = 33,598,258,317.26/170,597.76
  6. Step 6: Final answer
    x = 196,944.31

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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.