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Finding the Fourth Proportional to 209,954.44, 314,836.86 and 60,160.42

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Solution

The fourth proportional to 209,954.44, 314,836.86 and 60,160.42 is: 90,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,954.44 : 314,836.86 = 60,160.42 : x
  2. Step 2: Convert to fraction form
    209,954.44/314,836.86 = 60,160.42/x
  3. Step 3: Cross multiply
    209,954.44x = 314,836.86 × 60,160.42
  4. Step 4: Simplify right side
    209,954.44x = 18,940,717,729.08
  5. Step 5: Solve for x
    x = 18,940,717,729.08/209,954.44
  6. Step 6: Final answer
    x = 90,213.47

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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.