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Finding the Fourth Proportional to 251,227.98, 376,630.10 and 108,966.14

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Solution

The fourth proportional to 251,227.98, 376,630.10 and 108,966.14 is: 163,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,227.98 : 376,630.10 = 108,966.14 : x
  2. Step 2: Convert to fraction form
    251,227.98/376,630.10 = 108,966.14/x
  3. Step 3: Cross multiply
    251,227.98x = 376,630.10 × 108,966.14
  4. Step 4: Simplify right side
    251,227.98x = 41,039,927,151.48
  5. Step 5: Solve for x
    x = 41,039,927,151.48/251,227.98
  6. Step 6: Final answer
    x = 163,357.31

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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.