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Finding the Fourth Proportional to 235.93, 325.59 and 137.69

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Solution

The fourth proportional to 235.93, 325.59 and 137.69 is: 190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.93 : 325.59 = 137.69 : x
  2. Step 2: Convert to fraction form
    235.93/325.59 = 137.69/x
  3. Step 3: Cross multiply
    235.93x = 325.59 × 137.69
  4. Step 4: Simplify right side
    235.93x = 44,829.80
  5. Step 5: Solve for x
    x = 44,829.80/235.93
  6. Step 6: Final answer
    x = 190.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.