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Finding the Fourth Proportional to 73,490.27, 110,235.17 and 20,182.30

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Solution

The fourth proportional to 73,490.27, 110,235.17 and 20,182.30 is: 30,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,490.27 : 110,235.17 = 20,182.30 : x
  2. Step 2: Convert to fraction form
    73,490.27/110,235.17 = 20,182.30/x
  3. Step 3: Cross multiply
    73,490.27x = 110,235.17 × 20,182.30
  4. Step 4: Simplify right side
    73,490.27x = 2,224,799,271.49
  5. Step 5: Solve for x
    x = 2,224,799,271.49/73,490.27
  6. Step 6: Final answer
    x = 30,273.39

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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.