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Finding the Fourth Proportional to 211,550.70, 317,844.45 and 159,062.70

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Solution

The fourth proportional to 211,550.70, 317,844.45 and 159,062.70 is: 238,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,550.70 : 317,844.45 = 159,062.70 : x
  2. Step 2: Convert to fraction form
    211,550.70/317,844.45 = 159,062.70/x
  3. Step 3: Cross multiply
    211,550.70x = 317,844.45 × 159,062.70
  4. Step 4: Simplify right side
    211,550.70x = 50,557,196,397.02
  5. Step 5: Solve for x
    x = 50,557,196,397.02/211,550.70
  6. Step 6: Final answer
    x = 238,983.83

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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.