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Finding the Fourth Proportional to 217,233.44, 325,425.94 and 103,219

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Solution

The fourth proportional to 217,233.44, 325,425.94 and 103,219 is: 154,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,233.44 : 325,425.94 = 103,219 : x
  2. Step 2: Convert to fraction form
    217,233.44/325,425.94 = 103,219/x
  3. Step 3: Cross multiply
    217,233.44x = 325,425.94 × 103,219
  4. Step 4: Simplify right side
    217,233.44x = 33,590,140,100.86
  5. Step 5: Solve for x
    x = 33,590,140,100.86/217,233.44
  6. Step 6: Final answer
    x = 154,626.93

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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.