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Finding the Fourth Proportional to 200,124.94, 300,305.27 and 73,854.04

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Solution

The fourth proportional to 200,124.94, 300,305.27 and 73,854.04 is: 110,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,124.94 : 300,305.27 = 73,854.04 : x
  2. Step 2: Convert to fraction form
    200,124.94/300,305.27 = 73,854.04/x
  3. Step 3: Cross multiply
    200,124.94x = 300,305.27 × 73,854.04
  4. Step 4: Simplify right side
    200,124.94x = 22,178,755,921.26
  5. Step 5: Solve for x
    x = 22,178,755,921.26/200,124.94
  6. Step 6: Final answer
    x = 110,824.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.