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Finding the Fourth Proportional to 132.04, 182.10 and 99.23

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Solution

The fourth proportional to 132.04, 182.10 and 99.23 is: 136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.04 : 182.10 = 99.23 : x
  2. Step 2: Convert to fraction form
    132.04/182.10 = 99.23/x
  3. Step 3: Cross multiply
    132.04x = 182.10 × 99.23
  4. Step 4: Simplify right side
    132.04x = 18,070.49
  5. Step 5: Solve for x
    x = 18,070.49/132.04
  6. Step 6: Final answer
    x = 136.86

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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.