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Finding the Fourth Proportional to 104,353.30, 156,540.89 and 45,194.95

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Solution

The fourth proportional to 104,353.30, 156,540.89 and 45,194.95 is: 67,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,353.30 : 156,540.89 = 45,194.95 : x
  2. Step 2: Convert to fraction form
    104,353.30/156,540.89 = 45,194.95/x
  3. Step 3: Cross multiply
    104,353.30x = 156,540.89 × 45,194.95
  4. Step 4: Simplify right side
    104,353.30x = 7,074,857,696.51
  5. Step 5: Solve for x
    x = 7,074,857,696.51/104,353.30
  6. Step 6: Final answer
    x = 67,797.16

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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.