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Finding the Fourth Proportional to 123.16, 184.76 and 59

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Solution

The fourth proportional to 123.16, 184.76 and 59 is: 88.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.16 : 184.76 = 59 : x
  2. Step 2: Convert to fraction form
    123.16/184.76 = 59/x
  3. Step 3: Cross multiply
    123.16x = 184.76 × 59
  4. Step 4: Simplify right side
    123.16x = 10,900.84
  5. Step 5: Solve for x
    x = 10,900.84/123.16
  6. Step 6: Final answer
    x = 88.51

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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.