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Finding the Fourth Proportional to 217,248.20, 325,872.30 and 92,832.20

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Solution

The fourth proportional to 217,248.20, 325,872.30 and 92,832.20 is: 139,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,248.20 : 325,872.30 = 92,832.20 : x
  2. Step 2: Convert to fraction form
    217,248.20/325,872.30 = 92,832.20/x
  3. Step 3: Cross multiply
    217,248.20x = 325,872.30 × 92,832.20
  4. Step 4: Simplify right side
    217,248.20x = 30,251,442,528.06
  5. Step 5: Solve for x
    x = 30,251,442,528.06/217,248.20
  6. Step 6: Final answer
    x = 139,248.30

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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.