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Finding the Fourth Proportional to 125.04, 187.32 and 94.53

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Solution

The fourth proportional to 125.04, 187.32 and 94.53 is: 141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.04 : 187.32 = 94.53 : x
  2. Step 2: Convert to fraction form
    125.04/187.32 = 94.53/x
  3. Step 3: Cross multiply
    125.04x = 187.32 × 94.53
  4. Step 4: Simplify right side
    125.04x = 17,707.36
  5. Step 5: Solve for x
    x = 17,707.36/125.04
  6. Step 6: Final answer
    x = 141.61

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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.