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Finding the Fourth Proportional to 108,818.70, 163,224.24 and 44,774.53

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Solution

The fourth proportional to 108,818.70, 163,224.24 and 44,774.53 is: 67,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,818.70 : 163,224.24 = 44,774.53 : x
  2. Step 2: Convert to fraction form
    108,818.70/163,224.24 = 44,774.53/x
  3. Step 3: Cross multiply
    108,818.70x = 163,224.24 × 44,774.53
  4. Step 4: Simplify right side
    108,818.70x = 7,308,288,630.61
  5. Step 5: Solve for x
    x = 7,308,288,630.61/108,818.70
  6. Step 6: Final answer
    x = 67,160.23

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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.