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Finding the Fourth Proportional to 93.35, 139.95 and 32.43

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Solution

The fourth proportional to 93.35, 139.95 and 32.43 is: 48.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.35 : 139.95 = 32.43 : x
  2. Step 2: Convert to fraction form
    93.35/139.95 = 32.43/x
  3. Step 3: Cross multiply
    93.35x = 139.95 × 32.43
  4. Step 4: Simplify right side
    93.35x = 4,538.58
  5. Step 5: Solve for x
    x = 4,538.58/93.35
  6. Step 6: Final answer
    x = 48.62

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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.