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Finding the Fourth Proportional to 252,161.94, 378,363.06 and 157,366.38

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Solution

The fourth proportional to 252,161.94, 378,363.06 and 157,366.38 is: 236,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,161.94 : 378,363.06 = 157,366.38 : x
  2. Step 2: Convert to fraction form
    252,161.94/378,363.06 = 157,366.38/x
  3. Step 3: Cross multiply
    252,161.94x = 378,363.06 × 157,366.38
  4. Step 4: Simplify right side
    252,161.94x = 59,541,625,077.92
  5. Step 5: Solve for x
    x = 59,541,625,077.92/252,161.94
  6. Step 6: Final answer
    x = 236,124.55

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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.