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Finding the Fourth Proportional to 253,872.52, 350,503.29 and 163,385.62

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Solution

The fourth proportional to 253,872.52, 350,503.29 and 163,385.62 is: 225,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,872.52 : 350,503.29 = 163,385.62 : x
  2. Step 2: Convert to fraction form
    253,872.52/350,503.29 = 163,385.62/x
  3. Step 3: Cross multiply
    253,872.52x = 350,503.29 × 163,385.62
  4. Step 4: Simplify right side
    253,872.52x = 57,267,197,348.69
  5. Step 5: Solve for x
    x = 57,267,197,348.69/253,872.52
  6. Step 6: Final answer
    x = 225,574.62

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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.