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Finding the Fourth Proportional to 93.24, 139.13 and 83.01

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Solution

The fourth proportional to 93.24, 139.13 and 83.01 is: 123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.24 : 139.13 = 83.01 : x
  2. Step 2: Convert to fraction form
    93.24/139.13 = 83.01/x
  3. Step 3: Cross multiply
    93.24x = 139.13 × 83.01
  4. Step 4: Simplify right side
    93.24x = 11,548.77
  5. Step 5: Solve for x
    x = 11,548.77/93.24
  6. Step 6: Final answer
    x = 123.86

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.