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Finding the Fourth Proportional to 93.04, 139.56 and 36

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Solution

The fourth proportional to 93.04, 139.56 and 36 is: 54.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.04 : 139.56 = 36 : x
  2. Step 2: Convert to fraction form
    93.04/139.56 = 36/x
  3. Step 3: Cross multiply
    93.04x = 139.56 × 36
  4. Step 4: Simplify right side
    93.04x = 5,024.16
  5. Step 5: Solve for x
    x = 5,024.16/93.04
  6. Step 6: Final answer
    x = 54.00

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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.