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Finding the Fourth Proportional to 120,959.03, 166,929.15 and 67,244.94

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Solution

The fourth proportional to 120,959.03, 166,929.15 and 67,244.94 is: 92,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,959.03 : 166,929.15 = 67,244.94 : x
  2. Step 2: Convert to fraction form
    120,959.03/166,929.15 = 67,244.94/x
  3. Step 3: Cross multiply
    120,959.03x = 166,929.15 × 67,244.94
  4. Step 4: Simplify right side
    120,959.03x = 11,225,140,426.79
  5. Step 5: Solve for x
    x = 11,225,140,426.79/120,959.03
  6. Step 6: Final answer
    x = 92,801.18

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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.