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Finding the Fourth Proportional to 94.48, 141.53 and 48.76

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Solution

The fourth proportional to 94.48, 141.53 and 48.76 is: 73.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.48 : 141.53 = 48.76 : x
  2. Step 2: Convert to fraction form
    94.48/141.53 = 48.76/x
  3. Step 3: Cross multiply
    94.48x = 141.53 × 48.76
  4. Step 4: Simplify right side
    94.48x = 6,901.00
  5. Step 5: Solve for x
    x = 6,901.00/94.48
  6. Step 6: Final answer
    x = 73.04

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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.