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Finding the Fourth Proportional to 73,490.59, 110,224.08 and 20,170.12

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Solution

The fourth proportional to 73,490.59, 110,224.08 and 20,170.12 is: 30,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,490.59 : 110,224.08 = 20,170.12 : x
  2. Step 2: Convert to fraction form
    73,490.59/110,224.08 = 20,170.12/x
  3. Step 3: Cross multiply
    73,490.59x = 110,224.08 × 20,170.12
  4. Step 4: Simplify right side
    73,490.59x = 2,223,232,920.49
  5. Step 5: Solve for x
    x = 2,223,232,920.49/73,490.59
  6. Step 6: Final answer
    x = 30,251.94

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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.