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Finding the Fourth Proportional to 98,993.97, 136,601.46 and 60,755.13

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Solution

The fourth proportional to 98,993.97, 136,601.46 and 60,755.13 is: 83,835.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,993.97 : 136,601.46 = 60,755.13 : x
  2. Step 2: Convert to fraction form
    98,993.97/136,601.46 = 60,755.13/x
  3. Step 3: Cross multiply
    98,993.97x = 136,601.46 × 60,755.13
  4. Step 4: Simplify right side
    98,993.97x = 8,299,239,460.49
  5. Step 5: Solve for x
    x = 8,299,239,460.49/98,993.97
  6. Step 6: Final answer
    x = 83,835.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.