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Finding the Fourth Proportional to 124.99, 187.46 and 59.95

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Solution

The fourth proportional to 124.99, 187.46 and 59.95 is: 89.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.99 : 187.46 = 59.95 : x
  2. Step 2: Convert to fraction form
    124.99/187.46 = 59.95/x
  3. Step 3: Cross multiply
    124.99x = 187.46 × 59.95
  4. Step 4: Simplify right side
    124.99x = 11,237.69
  5. Step 5: Solve for x
    x = 11,237.69/124.99
  6. Step 6: Final answer
    x = 89.91

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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.