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Finding the Fourth Proportional to 296,798.06, 445,201.97 and 83,571.11

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Solution

The fourth proportional to 296,798.06, 445,201.97 and 83,571.11 is: 125,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,798.06 : 445,201.97 = 83,571.11 : x
  2. Step 2: Convert to fraction form
    296,798.06/445,201.97 = 83,571.11/x
  3. Step 3: Cross multiply
    296,798.06x = 445,201.97 × 83,571.11
  4. Step 4: Simplify right side
    296,798.06x = 37,206,022,302.82
  5. Step 5: Solve for x
    x = 37,206,022,302.82/296,798.06
  6. Step 6: Final answer
    x = 125,358.04

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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.