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Finding the Fourth Proportional to 144.13, 215.14 and 125.01

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Solution

The fourth proportional to 144.13, 215.14 and 125.01 is: 186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.13 : 215.14 = 125.01 : x
  2. Step 2: Convert to fraction form
    144.13/215.14 = 125.01/x
  3. Step 3: Cross multiply
    144.13x = 215.14 × 125.01
  4. Step 4: Simplify right side
    144.13x = 26,893.89
  5. Step 5: Solve for x
    x = 26,893.89/144.13
  6. Step 6: Final answer
    x = 186.59

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.