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Finding the Fourth Proportional to 159,813.66, 238,410.62 and 155,469.73

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Solution

The fourth proportional to 159,813.66, 238,410.62 and 155,469.73 is: 231,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,813.66 : 238,410.62 = 155,469.73 : x
  2. Step 2: Convert to fraction form
    159,813.66/238,410.62 = 155,469.73/x
  3. Step 3: Cross multiply
    159,813.66x = 238,410.62 × 155,469.73
  4. Step 4: Simplify right side
    159,813.66x = 37,065,635,251.71
  5. Step 5: Solve for x
    x = 37,065,635,251.71/159,813.66
  6. Step 6: Final answer
    x = 231,930.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.