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Finding the Fourth Proportional to 73,378.71, 101,256.89 and 43,165.17

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Solution

The fourth proportional to 73,378.71, 101,256.89 and 43,165.17 is: 59,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,378.71 : 101,256.89 = 43,165.17 : x
  2. Step 2: Convert to fraction form
    73,378.71/101,256.89 = 43,165.17/x
  3. Step 3: Cross multiply
    73,378.71x = 101,256.89 × 43,165.17
  4. Step 4: Simplify right side
    73,378.71x = 4,370,770,654.70
  5. Step 5: Solve for x
    x = 4,370,770,654.70/73,378.71
  6. Step 6: Final answer
    x = 59,564.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.