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Finding the Fourth Proportional to 73,052.16, 100,637.28 and 69,494.64

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Solution

The fourth proportional to 73,052.16, 100,637.28 and 69,494.64 is: 95,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,052.16 : 100,637.28 = 69,494.64 : x
  2. Step 2: Convert to fraction form
    73,052.16/100,637.28 = 69,494.64/x
  3. Step 3: Cross multiply
    73,052.16x = 100,637.28 × 69,494.64
  4. Step 4: Simplify right side
    73,052.16x = 6,993,751,544.18
  5. Step 5: Solve for x
    x = 6,993,751,544.18/73,052.16
  6. Step 6: Final answer
    x = 95,736.41

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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.