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Finding the Fourth Proportional to 124,481.66, 186,600.99 and 49,579.34

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Solution

The fourth proportional to 124,481.66, 186,600.99 and 49,579.34 is: 74,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,481.66 : 186,600.99 = 49,579.34 : x
  2. Step 2: Convert to fraction form
    124,481.66/186,600.99 = 49,579.34/x
  3. Step 3: Cross multiply
    124,481.66x = 186,600.99 × 49,579.34
  4. Step 4: Simplify right side
    124,481.66x = 9,251,553,927.55
  5. Step 5: Solve for x
    x = 9,251,553,927.55/124,481.66
  6. Step 6: Final answer
    x = 74,320.62

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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.