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Finding the Fourth Proportional to 88,661.59, 132,991.09 and 41,250.16

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Solution

The fourth proportional to 88,661.59, 132,991.09 and 41,250.16 is: 61,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,661.59 : 132,991.09 = 41,250.16 : x
  2. Step 2: Convert to fraction form
    88,661.59/132,991.09 = 41,250.16/x
  3. Step 3: Cross multiply
    88,661.59x = 132,991.09 × 41,250.16
  4. Step 4: Simplify right side
    88,661.59x = 5,485,903,741.07
  5. Step 5: Solve for x
    x = 5,485,903,741.07/88,661.59
  6. Step 6: Final answer
    x = 61,874.64

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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.