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Finding the Fourth Proportional to 184.16, 275.90 and 153.68

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Solution

The fourth proportional to 184.16, 275.90 and 153.68 is: 230.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.16 : 275.90 = 153.68 : x
  2. Step 2: Convert to fraction form
    184.16/275.90 = 153.68/x
  3. Step 3: Cross multiply
    184.16x = 275.90 × 153.68
  4. Step 4: Simplify right side
    184.16x = 42,400.31
  5. Step 5: Solve for x
    x = 42,400.31/184.16
  6. Step 6: Final answer
    x = 230.24

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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.