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Finding the Fourth Proportional to 104,673.74, 156,972.63 and 57,324.02

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Solution

The fourth proportional to 104,673.74, 156,972.63 and 57,324.02 is: 85,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,673.74 : 156,972.63 = 57,324.02 : x
  2. Step 2: Convert to fraction form
    104,673.74/156,972.63 = 57,324.02/x
  3. Step 3: Cross multiply
    104,673.74x = 156,972.63 × 57,324.02
  4. Step 4: Simplify right side
    104,673.74x = 8,998,302,181.57
  5. Step 5: Solve for x
    x = 8,998,302,181.57/104,673.74
  6. Step 6: Final answer
    x = 85,965.23

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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.