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Finding the Fourth Proportional to 169, 233.08 and 134.08

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Solution

The fourth proportional to 169, 233.08 and 134.08 is: 184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169 : 233.08 = 134.08 : x
  2. Step 2: Convert to fraction form
    169/233.08 = 134.08/x
  3. Step 3: Cross multiply
    169x = 233.08 × 134.08
  4. Step 4: Simplify right side
    169x = 31,251.37
  5. Step 5: Solve for x
    x = 31,251.37/169
  6. Step 6: Final answer
    x = 184.92

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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.