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Finding the Fourth Proportional to 92,363.20, 138,445.44 and 39,797.44

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Solution

The fourth proportional to 92,363.20, 138,445.44 and 39,797.44 is: 59,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,363.20 : 138,445.44 = 39,797.44 : x
  2. Step 2: Convert to fraction form
    92,363.20/138,445.44 = 39,797.44/x
  3. Step 3: Cross multiply
    92,363.20x = 138,445.44 × 39,797.44
  4. Step 4: Simplify right side
    92,363.20x = 5,509,774,091.67
  5. Step 5: Solve for x
    x = 5,509,774,091.67/92,363.20
  6. Step 6: Final answer
    x = 59,653.35

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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.