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Finding the Fourth Proportional to 296,799.06, 445,203.47 and 83,572.11

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Solution

The fourth proportional to 296,799.06, 445,203.47 and 83,572.11 is: 125,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,799.06 : 445,203.47 = 83,572.11 : x
  2. Step 2: Convert to fraction form
    296,799.06/445,203.47 = 83,572.11/x
  3. Step 3: Cross multiply
    296,799.06x = 445,203.47 × 83,572.11
  4. Step 4: Simplify right side
    296,799.06x = 37,206,593,367.22
  5. Step 5: Solve for x
    x = 37,206,593,367.22/296,799.06
  6. Step 6: Final answer
    x = 125,359.54

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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.