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Finding the Fourth Proportional to 104,517.73, 156,776.60 and 57,869.02

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Solution

The fourth proportional to 104,517.73, 156,776.60 and 57,869.02 is: 86,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.73 : 156,776.60 = 57,869.02 : x
  2. Step 2: Convert to fraction form
    104,517.73/156,776.60 = 57,869.02/x
  3. Step 3: Cross multiply
    104,517.73x = 156,776.60 × 57,869.02
  4. Step 4: Simplify right side
    104,517.73x = 9,072,508,200.93
  5. Step 5: Solve for x
    x = 9,072,508,200.93/104,517.73
  6. Step 6: Final answer
    x = 86,803.53

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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.