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Finding the Fourth Proportional to 184.08, 253.72 and 156.52

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Solution

The fourth proportional to 184.08, 253.72 and 156.52 is: 215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.08 : 253.72 = 156.52 : x
  2. Step 2: Convert to fraction form
    184.08/253.72 = 156.52/x
  3. Step 3: Cross multiply
    184.08x = 253.72 × 156.52
  4. Step 4: Simplify right side
    184.08x = 39,712.25
  5. Step 5: Solve for x
    x = 39,712.25/184.08
  6. Step 6: Final answer
    x = 215.73

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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.