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Finding the Fourth Proportional to 184.59, 278.00 and 155.88

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Solution

The fourth proportional to 184.59, 278.00 and 155.88 is: 234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.59 : 278.00 = 155.88 : x
  2. Step 2: Convert to fraction form
    184.59/278.00 = 155.88/x
  3. Step 3: Cross multiply
    184.59x = 278.00 × 155.88
  4. Step 4: Simplify right side
    184.59x = 43,333.86
  5. Step 5: Solve for x
    x = 43,333.86/184.59
  6. Step 6: Final answer
    x = 234.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.