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Finding the Fourth Proportional to 247,969.60, 371,954.40 and 60,981.10

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Solution

The fourth proportional to 247,969.60, 371,954.40 and 60,981.10 is: 91,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,969.60 : 371,954.40 = 60,981.10 : x
  2. Step 2: Convert to fraction form
    247,969.60/371,954.40 = 60,981.10/x
  3. Step 3: Cross multiply
    247,969.60x = 371,954.40 × 60,981.10
  4. Step 4: Simplify right side
    247,969.60x = 22,682,188,461.84
  5. Step 5: Solve for x
    x = 22,682,188,461.84/247,969.60
  6. Step 6: Final answer
    x = 91,471.65

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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.