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Finding the Fourth Proportional to 123,803.91, 170,794.58 and 73,473.75

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Solution

The fourth proportional to 123,803.91, 170,794.58 and 73,473.75 is: 101,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,803.91 : 170,794.58 = 73,473.75 : x
  2. Step 2: Convert to fraction form
    123,803.91/170,794.58 = 73,473.75/x
  3. Step 3: Cross multiply
    123,803.91x = 170,794.58 × 73,473.75
  4. Step 4: Simplify right side
    123,803.91x = 12,548,917,904.91
  5. Step 5: Solve for x
    x = 12,548,917,904.91/123,803.91
  6. Step 6: Final answer
    x = 101,361.24

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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.