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Finding the Fourth Proportional to 93.99, 141.02 and 48.35

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Solution

The fourth proportional to 93.99, 141.02 and 48.35 is: 72.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.99 : 141.02 = 48.35 : x
  2. Step 2: Convert to fraction form
    93.99/141.02 = 48.35/x
  3. Step 3: Cross multiply
    93.99x = 141.02 × 48.35
  4. Step 4: Simplify right side
    93.99x = 6,817.68
  5. Step 5: Solve for x
    x = 6,817.68/93.99
  6. Step 6: Final answer
    x = 72.54

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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.