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Finding the Fourth Proportional to 250.23, 345.32 and 151.93

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Solution

The fourth proportional to 250.23, 345.32 and 151.93 is: 209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.23 : 345.32 = 151.93 : x
  2. Step 2: Convert to fraction form
    250.23/345.32 = 151.93/x
  3. Step 3: Cross multiply
    250.23x = 345.32 × 151.93
  4. Step 4: Simplify right side
    250.23x = 52,464.47
  5. Step 5: Solve for x
    x = 52,464.47/250.23
  6. Step 6: Final answer
    x = 209.66

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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.