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Finding the Fourth Proportional to 73,377.60, 109,774.80 and 63,625.20

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Solution

The fourth proportional to 73,377.60, 109,774.80 and 63,625.20 is: 95,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,377.60 : 109,774.80 = 63,625.20 : x
  2. Step 2: Convert to fraction form
    73,377.60/109,774.80 = 63,625.20/x
  3. Step 3: Cross multiply
    73,377.60x = 109,774.80 × 63,625.20
  4. Step 4: Simplify right side
    73,377.60x = 6,984,443,604.96
  5. Step 5: Solve for x
    x = 6,984,443,604.96/73,377.60
  6. Step 6: Final answer
    x = 95,184.96

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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.