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Finding the Fourth Proportional to 70,407.73, 105,600.56 and 23,022.49

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Solution

The fourth proportional to 70,407.73, 105,600.56 and 23,022.49 is: 34,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,407.73 : 105,600.56 = 23,022.49 : x
  2. Step 2: Convert to fraction form
    70,407.73/105,600.56 = 23,022.49/x
  3. Step 3: Cross multiply
    70,407.73x = 105,600.56 × 23,022.49
  4. Step 4: Simplify right side
    70,407.73x = 2,431,187,721.48
  5. Step 5: Solve for x
    x = 2,431,187,721.48/70,407.73
  6. Step 6: Final answer
    x = 34,530.13

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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.