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Finding the Fourth Proportional to 94.76, 141.11 and 88.92

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Solution

The fourth proportional to 94.76, 141.11 and 88.92 is: 132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.76 : 141.11 = 88.92 : x
  2. Step 2: Convert to fraction form
    94.76/141.11 = 88.92/x
  3. Step 3: Cross multiply
    94.76x = 141.11 × 88.92
  4. Step 4: Simplify right side
    94.76x = 12,547.50
  5. Step 5: Solve for x
    x = 12,547.50/94.76
  6. Step 6: Final answer
    x = 132.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.