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Finding the Fourth Proportional to 192,622.73, 288,862.25 and 66,227.22

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Solution

The fourth proportional to 192,622.73, 288,862.25 and 66,227.22 is: 99,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,622.73 : 288,862.25 = 66,227.22 : x
  2. Step 2: Convert to fraction form
    192,622.73/288,862.25 = 66,227.22/x
  3. Step 3: Cross multiply
    192,622.73x = 288,862.25 × 66,227.22
  4. Step 4: Simplify right side
    192,622.73x = 19,130,543,449.31
  5. Step 5: Solve for x
    x = 19,130,543,449.31/192,622.73
  6. Step 6: Final answer
    x = 99,316.13

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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.