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Finding the Fourth Proportional to 83,852.82, 125,181.59 and 72,845.46

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Solution

The fourth proportional to 83,852.82, 125,181.59 and 72,845.46 is: 108,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,852.82 : 125,181.59 = 72,845.46 : x
  2. Step 2: Convert to fraction form
    83,852.82/125,181.59 = 72,845.46/x
  3. Step 3: Cross multiply
    83,852.82x = 125,181.59 × 72,845.46
  4. Step 4: Simplify right side
    83,852.82x = 9,118,910,142.85
  5. Step 5: Solve for x
    x = 9,118,910,142.85/83,852.82
  6. Step 6: Final answer
    x = 108,749.00

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.