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Finding the Fourth Proportional to 73,843.10, 101,903.62 and 40,309.10

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Solution

The fourth proportional to 73,843.10, 101,903.62 and 40,309.10 is: 55,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,843.10 : 101,903.62 = 40,309.10 : x
  2. Step 2: Convert to fraction form
    73,843.10/101,903.62 = 40,309.10/x
  3. Step 3: Cross multiply
    73,843.10x = 101,903.62 × 40,309.10
  4. Step 4: Simplify right side
    73,843.10x = 4,107,643,208.94
  5. Step 5: Solve for x
    x = 4,107,643,208.94/73,843.10
  6. Step 6: Final answer
    x = 55,626.64

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1.5x scale

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.