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Finding the Fourth Proportional to 104,374.40, 156,581.12 and 34,273.92

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Solution

The fourth proportional to 104,374.40, 156,581.12 and 34,273.92 is: 51,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,374.40 : 156,581.12 = 34,273.92 : x
  2. Step 2: Convert to fraction form
    104,374.40/156,581.12 = 34,273.92/x
  3. Step 3: Cross multiply
    104,374.40x = 156,581.12 × 34,273.92
  4. Step 4: Simplify right side
    104,374.40x = 5,366,648,780.39
  5. Step 5: Solve for x
    x = 5,366,648,780.39/104,374.40
  6. Step 6: Final answer
    x = 51,417.29

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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.