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Finding the Fourth Proportional to 123.04, 184.08 and 93.76

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Solution

The fourth proportional to 123.04, 184.08 and 93.76 is: 140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.04 : 184.08 = 93.76 : x
  2. Step 2: Convert to fraction form
    123.04/184.08 = 93.76/x
  3. Step 3: Cross multiply
    123.04x = 184.08 × 93.76
  4. Step 4: Simplify right side
    123.04x = 17,259.34
  5. Step 5: Solve for x
    x = 17,259.34/123.04
  6. Step 6: Final answer
    x = 140.27

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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.