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Finding the Fourth Proportional to 141,185.16, 194,808.78 and 95,899.32

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Solution

The fourth proportional to 141,185.16, 194,808.78 and 95,899.32 is: 132,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,185.16 : 194,808.78 = 95,899.32 : x
  2. Step 2: Convert to fraction form
    141,185.16/194,808.78 = 95,899.32/x
  3. Step 3: Cross multiply
    141,185.16x = 194,808.78 × 95,899.32
  4. Step 4: Simplify right side
    141,185.16x = 18,682,029,532.03
  5. Step 5: Solve for x
    x = 18,682,029,532.03/141,185.16
  6. Step 6: Final answer
    x = 132,322.90

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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.