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Finding the Fourth Proportional to 294,583.92, 441,901.51 and 81,352.11

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Solution

The fourth proportional to 294,583.92, 441,901.51 and 81,352.11 is: 122,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,583.92 : 441,901.51 = 81,352.11 : x
  2. Step 2: Convert to fraction form
    294,583.92/441,901.51 = 81,352.11/x
  3. Step 3: Cross multiply
    294,583.92x = 441,901.51 × 81,352.11
  4. Step 4: Simplify right side
    294,583.92x = 35,949,621,704.44
  5. Step 5: Solve for x
    x = 35,949,621,704.44/294,583.92
  6. Step 6: Final answer
    x = 122,035.25

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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.