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Finding the Fourth Proportional to 141, 194.60 and 95.08

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Solution

The fourth proportional to 141, 194.60 and 95.08 is: 131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141 : 194.60 = 95.08 : x
  2. Step 2: Convert to fraction form
    141/194.60 = 95.08/x
  3. Step 3: Cross multiply
    141x = 194.60 × 95.08
  4. Step 4: Simplify right side
    141x = 18,502.57
  5. Step 5: Solve for x
    x = 18,502.57/141
  6. Step 6: Final answer
    x = 131.22

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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.