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Finding the Fourth Proportional to 228,694.05, 342,975.47 and 159,016.23

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Solution

The fourth proportional to 228,694.05, 342,975.47 and 159,016.23 is: 238,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,694.05 : 342,975.47 = 159,016.23 : x
  2. Step 2: Convert to fraction form
    228,694.05/342,975.47 = 159,016.23/x
  3. Step 3: Cross multiply
    228,694.05x = 342,975.47 × 159,016.23
  4. Step 4: Simplify right side
    228,694.05x = 54,538,665,426.80
  5. Step 5: Solve for x
    x = 54,538,665,426.80/228,694.05
  6. Step 6: Final answer
    x = 238,478.72

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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.