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Finding the Fourth Proportional to 108,309.80, 149,466.50 and 60,562.60

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Solution

The fourth proportional to 108,309.80, 149,466.50 and 60,562.60 is: 83,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,309.80 : 149,466.50 = 60,562.60 : x
  2. Step 2: Convert to fraction form
    108,309.80/149,466.50 = 60,562.60/x
  3. Step 3: Cross multiply
    108,309.80x = 149,466.50 × 60,562.60
  4. Step 4: Simplify right side
    108,309.80x = 9,052,079,852.90
  5. Step 5: Solve for x
    x = 9,052,079,852.90/108,309.80
  6. Step 6: Final answer
    x = 83,575.82

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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.