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Finding the Fourth Proportional to 124.94, 187.25 and 59.94

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Solution

The fourth proportional to 124.94, 187.25 and 59.94 is: 89.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.94 : 187.25 = 59.94 : x
  2. Step 2: Convert to fraction form
    124.94/187.25 = 59.94/x
  3. Step 3: Cross multiply
    124.94x = 187.25 × 59.94
  4. Step 4: Simplify right side
    124.94x = 11,223.47
  5. Step 5: Solve for x
    x = 11,223.47/124.94
  6. Step 6: Final answer
    x = 89.83

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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.