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Finding the Fourth Proportional to 68,910.90, 95,123.34 and 67,014.88

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Solution

The fourth proportional to 68,910.90, 95,123.34 and 67,014.88 is: 92,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,910.90 : 95,123.34 = 67,014.88 : x
  2. Step 2: Convert to fraction form
    68,910.90/95,123.34 = 67,014.88/x
  3. Step 3: Cross multiply
    68,910.90x = 95,123.34 × 67,014.88
  4. Step 4: Simplify right side
    68,910.90x = 6,374,679,215.30
  5. Step 5: Solve for x
    x = 6,374,679,215.30/68,910.90
  6. Step 6: Final answer
    x = 92,506.11

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1.5x scale

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.