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Finding the Fourth Proportional to 98,800.41, 148,174.17 and 27,718.80

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Solution

The fourth proportional to 98,800.41, 148,174.17 and 27,718.80 is: 41,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,800.41 : 148,174.17 = 27,718.80 : x
  2. Step 2: Convert to fraction form
    98,800.41/148,174.17 = 27,718.80/x
  3. Step 3: Cross multiply
    98,800.41x = 148,174.17 × 27,718.80
  4. Step 4: Simplify right side
    98,800.41x = 4,107,210,183.40
  5. Step 5: Solve for x
    x = 4,107,210,183.40/98,800.41
  6. Step 6: Final answer
    x = 41,570.78

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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.