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Finding the Fourth Proportional to 73,871.87, 101,947.00 and 45,182.53

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Solution

The fourth proportional to 73,871.87, 101,947.00 and 45,182.53 is: 62,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,871.87 : 101,947.00 = 45,182.53 : x
  2. Step 2: Convert to fraction form
    73,871.87/101,947.00 = 45,182.53/x
  3. Step 3: Cross multiply
    73,871.87x = 101,947.00 × 45,182.53
  4. Step 4: Simplify right side
    73,871.87x = 4,606,223,485.10
  5. Step 5: Solve for x
    x = 4,606,223,485.10/73,871.87
  6. Step 6: Final answer
    x = 62,354.23

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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.