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Finding the Fourth Proportional to 184.96, 255.12 and 152.36

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Solution

The fourth proportional to 184.96, 255.12 and 152.36 is: 210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.96 : 255.12 = 152.36 : x
  2. Step 2: Convert to fraction form
    184.96/255.12 = 152.36/x
  3. Step 3: Cross multiply
    184.96x = 255.12 × 152.36
  4. Step 4: Simplify right side
    184.96x = 38,870.08
  5. Step 5: Solve for x
    x = 38,870.08/184.96
  6. Step 6: Final answer
    x = 210.15

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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.