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Finding the Fourth Proportional to 93.04, 139.40 and 44.96

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Solution

The fourth proportional to 93.04, 139.40 and 44.96 is: 67.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.04 : 139.40 = 44.96 : x
  2. Step 2: Convert to fraction form
    93.04/139.40 = 44.96/x
  3. Step 3: Cross multiply
    93.04x = 139.40 × 44.96
  4. Step 4: Simplify right side
    93.04x = 6,267.42
  5. Step 5: Solve for x
    x = 6,267.42/93.04
  6. Step 6: Final answer
    x = 67.36

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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.