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Finding the Fourth Proportional to 170,591.81, 255,888.73 and 75,799.70

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Solution

The fourth proportional to 170,591.81, 255,888.73 and 75,799.70 is: 113,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,591.81 : 255,888.73 = 75,799.70 : x
  2. Step 2: Convert to fraction form
    170,591.81/255,888.73 = 75,799.70/x
  3. Step 3: Cross multiply
    170,591.81x = 255,888.73 × 75,799.70
  4. Step 4: Simplify right side
    170,591.81x = 19,396,290,181.64
  5. Step 5: Solve for x
    x = 19,396,290,181.64/170,591.81
  6. Step 6: Final answer
    x = 113,700.01

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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.