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Finding the Fourth Proportional to 217,110.20, 325,665.30 and 146,251.40

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Solution

The fourth proportional to 217,110.20, 325,665.30 and 146,251.40 is: 219,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,110.20 : 325,665.30 = 146,251.40 : x
  2. Step 2: Convert to fraction form
    217,110.20/325,665.30 = 146,251.40/x
  3. Step 3: Cross multiply
    217,110.20x = 325,665.30 × 146,251.40
  4. Step 4: Simplify right side
    217,110.20x = 47,629,006,056.42
  5. Step 5: Solve for x
    x = 47,629,006,056.42/217,110.20
  6. Step 6: Final answer
    x = 219,377.10

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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.