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Finding the Fourth Proportional to 73,711.56, 101,716.56 and 45,417.72

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Solution

The fourth proportional to 73,711.56, 101,716.56 and 45,417.72 is: 62,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,711.56 : 101,716.56 = 45,417.72 : x
  2. Step 2: Convert to fraction form
    73,711.56/101,716.56 = 45,417.72/x
  3. Step 3: Cross multiply
    73,711.56x = 101,716.56 × 45,417.72
  4. Step 4: Simplify right side
    73,711.56x = 4,619,734,241.44
  5. Step 5: Solve for x
    x = 4,619,734,241.44/73,711.56
  6. Step 6: Final answer
    x = 62,673.13

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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.