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Finding the Fourth Proportional to 185.64, 256.14 and 110.93

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Solution

The fourth proportional to 185.64, 256.14 and 110.93 is: 153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.64 : 256.14 = 110.93 : x
  2. Step 2: Convert to fraction form
    185.64/256.14 = 110.93/x
  3. Step 3: Cross multiply
    185.64x = 256.14 × 110.93
  4. Step 4: Simplify right side
    185.64x = 28,412.33
  5. Step 5: Solve for x
    x = 28,412.33/185.64
  6. Step 6: Final answer
    x = 153.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.