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Finding the Fourth Proportional to 96.04, 143.93 and 52.64

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Solution

The fourth proportional to 96.04, 143.93 and 52.64 is: 78.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.04 : 143.93 = 52.64 : x
  2. Step 2: Convert to fraction form
    96.04/143.93 = 52.64/x
  3. Step 3: Cross multiply
    96.04x = 143.93 × 52.64
  4. Step 4: Simplify right side
    96.04x = 7,576.48
  5. Step 5: Solve for x
    x = 7,576.48/96.04
  6. Step 6: Final answer
    x = 78.89

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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.