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Finding the Fourth Proportional to 108,137.86, 162,086.34 and 44,922.76

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Solution

The fourth proportional to 108,137.86, 162,086.34 and 44,922.76 is: 67,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,137.86 : 162,086.34 = 44,922.76 : x
  2. Step 2: Convert to fraction form
    108,137.86/162,086.34 = 44,922.76/x
  3. Step 3: Cross multiply
    108,137.86x = 162,086.34 × 44,922.76
  4. Step 4: Simplify right side
    108,137.86x = 7,281,365,751.10
  5. Step 5: Solve for x
    x = 7,281,365,751.10/108,137.86
  6. Step 6: Final answer
    x = 67,334.10

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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.