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Finding the Fourth Proportional to 71,955.64, 107,945.94 and 22,034.56

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Solution

The fourth proportional to 71,955.64, 107,945.94 and 22,034.56 is: 33,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,955.64 : 107,945.94 = 22,034.56 : x
  2. Step 2: Convert to fraction form
    71,955.64/107,945.94 = 22,034.56/x
  3. Step 3: Cross multiply
    71,955.64x = 107,945.94 × 22,034.56
  4. Step 4: Simplify right side
    71,955.64x = 2,378,541,291.69
  5. Step 5: Solve for x
    x = 2,378,541,291.69/71,955.64
  6. Step 6: Final answer
    x = 33,055.66

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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.