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Finding the Fourth Proportional to 124.37, 187.47 and 116.01

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Solution

The fourth proportional to 124.37, 187.47 and 116.01 is: 174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.37 : 187.47 = 116.01 : x
  2. Step 2: Convert to fraction form
    124.37/187.47 = 116.01/x
  3. Step 3: Cross multiply
    124.37x = 187.47 × 116.01
  4. Step 4: Simplify right side
    124.37x = 21,748.39
  5. Step 5: Solve for x
    x = 21,748.39/124.37
  6. Step 6: Final answer
    x = 174.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.