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Finding the Fourth Proportional to 163,019.70, 244,529.55 and 74,446.20

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Solution

The fourth proportional to 163,019.70, 244,529.55 and 74,446.20 is: 111,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,019.70 : 244,529.55 = 74,446.20 : x
  2. Step 2: Convert to fraction form
    163,019.70/244,529.55 = 74,446.20/x
  3. Step 3: Cross multiply
    163,019.70x = 244,529.55 × 74,446.20
  4. Step 4: Simplify right side
    163,019.70x = 18,204,295,785.21
  5. Step 5: Solve for x
    x = 18,204,295,785.21/163,019.70
  6. Step 6: Final answer
    x = 111,669.30

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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.