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Finding the Fourth Proportional to 317,079.08, 475,667.80 and 106,700.60

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Solution

The fourth proportional to 317,079.08, 475,667.80 and 106,700.60 is: 160,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,079.08 : 475,667.80 = 106,700.60 : x
  2. Step 2: Convert to fraction form
    317,079.08/475,667.80 = 106,700.60/x
  3. Step 3: Cross multiply
    317,079.08x = 475,667.80 × 106,700.60
  4. Step 4: Simplify right side
    317,079.08x = 50,754,039,660.68
  5. Step 5: Solve for x
    x = 50,754,039,660.68/317,079.08
  6. Step 6: Final answer
    x = 160,067.45

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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.