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Finding the Fourth Proportional to 323,873.77, 485,872.92 and 124,178.58

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Solution

The fourth proportional to 323,873.77, 485,872.92 and 124,178.58 is: 186,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,873.77 : 485,872.92 = 124,178.58 : x
  2. Step 2: Convert to fraction form
    323,873.77/485,872.92 = 124,178.58/x
  3. Step 3: Cross multiply
    323,873.77x = 485,872.92 × 124,178.58
  4. Step 4: Simplify right side
    323,873.77x = 60,335,009,266.05
  5. Step 5: Solve for x
    x = 60,335,009,266.05/323,873.77
  6. Step 6: Final answer
    x = 186,291.74

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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.