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Finding the Fourth Proportional to 108,385.52, 149,622.21 and 63,046.98

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Solution

The fourth proportional to 108,385.52, 149,622.21 and 63,046.98 is: 87,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,385.52 : 149,622.21 = 63,046.98 : x
  2. Step 2: Convert to fraction form
    108,385.52/149,622.21 = 63,046.98/x
  3. Step 3: Cross multiply
    108,385.52x = 149,622.21 × 63,046.98
  4. Step 4: Simplify right side
    108,385.52x = 9,433,228,481.43
  5. Step 5: Solve for x
    x = 9,433,228,481.43/108,385.52
  6. Step 6: Final answer
    x = 87,034.03

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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.