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Finding the Fourth Proportional to 98,503.75, 147,755.73 and 27,426.54

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Solution

The fourth proportional to 98,503.75, 147,755.73 and 27,426.54 is: 41,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,503.75 : 147,755.73 = 27,426.54 : x
  2. Step 2: Convert to fraction form
    98,503.75/147,755.73 = 27,426.54/x
  3. Step 3: Cross multiply
    98,503.75x = 147,755.73 × 27,426.54
  4. Step 4: Simplify right side
    98,503.75x = 4,052,428,439.07
  5. Step 5: Solve for x
    x = 4,052,428,439.07/98,503.75
  6. Step 6: Final answer
    x = 41,139.84

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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.