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Finding the Fourth Proportional to 104,674.74, 156,974.13 and 57,325.02

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Solution

The fourth proportional to 104,674.74, 156,974.13 and 57,325.02 is: 85,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,674.74 : 156,974.13 = 57,325.02 : x
  2. Step 2: Convert to fraction form
    104,674.74/156,974.13 = 57,325.02/x
  3. Step 3: Cross multiply
    104,674.74x = 156,974.13 × 57,325.02
  4. Step 4: Simplify right side
    104,674.74x = 8,998,545,141.73
  5. Step 5: Solve for x
    x = 8,998,545,141.73/104,674.74
  6. Step 6: Final answer
    x = 85,966.73

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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.