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Finding the Fourth Proportional to 93.46, 140.02 and 52.76

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Solution

The fourth proportional to 93.46, 140.02 and 52.76 is: 79.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.46 : 140.02 = 52.76 : x
  2. Step 2: Convert to fraction form
    93.46/140.02 = 52.76/x
  3. Step 3: Cross multiply
    93.46x = 140.02 × 52.76
  4. Step 4: Simplify right side
    93.46x = 7,386.49
  5. Step 5: Solve for x
    x = 7,386.49/93.46
  6. Step 6: Final answer
    x = 79.03

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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.