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Finding the Fourth Proportional to 209,959.31, 314,954.76 and 60,198.41

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Solution

The fourth proportional to 209,959.31, 314,954.76 and 60,198.41 is: 90,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,959.31 : 314,954.76 = 60,198.41 : x
  2. Step 2: Convert to fraction form
    209,959.31/314,954.76 = 60,198.41/x
  3. Step 3: Cross multiply
    209,959.31x = 314,954.76 × 60,198.41
  4. Step 4: Simplify right side
    209,959.31x = 18,959,775,773.93
  5. Step 5: Solve for x
    x = 18,959,775,773.93/209,959.31
  6. Step 6: Final answer
    x = 90,302.14

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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.