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Finding the Fourth Proportional to 73,103.94, 100,899.42 and 46,282.20

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Solution

The fourth proportional to 73,103.94, 100,899.42 and 46,282.20 is: 63,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,103.94 : 100,899.42 = 46,282.20 : x
  2. Step 2: Convert to fraction form
    73,103.94/100,899.42 = 46,282.20/x
  3. Step 3: Cross multiply
    73,103.94x = 100,899.42 × 46,282.20
  4. Step 4: Simplify right side
    73,103.94x = 4,669,847,136.32
  5. Step 5: Solve for x
    x = 4,669,847,136.32/73,103.94
  6. Step 6: Final answer
    x = 63,879.55

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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.