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Finding the Fourth Proportional to 173,107.10, 259,660.65 and 163,921.70

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Solution

The fourth proportional to 173,107.10, 259,660.65 and 163,921.70 is: 245,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,107.10 : 259,660.65 = 163,921.70 : x
  2. Step 2: Convert to fraction form
    173,107.10/259,660.65 = 163,921.70/x
  3. Step 3: Cross multiply
    173,107.10x = 259,660.65 × 163,921.70
  4. Step 4: Simplify right side
    173,107.10x = 42,564,015,171.11
  5. Step 5: Solve for x
    x = 42,564,015,171.11/173,107.10
  6. Step 6: Final answer
    x = 245,882.55

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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.