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Finding the Fourth Proportional to 108,362.66, 149,570.52 and 63,049.39

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Solution

The fourth proportional to 108,362.66, 149,570.52 and 63,049.39 is: 87,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,362.66 : 149,570.52 = 63,049.39 : x
  2. Step 2: Convert to fraction form
    108,362.66/149,570.52 = 63,049.39/x
  3. Step 3: Cross multiply
    108,362.66x = 149,570.52 × 63,049.39
  4. Step 4: Simplify right side
    108,362.66x = 9,430,330,234.95
  5. Step 5: Solve for x
    x = 9,430,330,234.95/108,362.66
  6. Step 6: Final answer
    x = 87,025.65

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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.