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Finding the Fourth Proportional to 194.04, 267.75 and 124.16

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Solution

The fourth proportional to 194.04, 267.75 and 124.16 is: 171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.04 : 267.75 = 124.16 : x
  2. Step 2: Convert to fraction form
    194.04/267.75 = 124.16/x
  3. Step 3: Cross multiply
    194.04x = 267.75 × 124.16
  4. Step 4: Simplify right side
    194.04x = 33,242.50
  5. Step 5: Solve for x
    x = 33,242.50/194.04
  6. Step 6: Final answer
    x = 171.32

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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.