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Finding the Fourth Proportional to 68,799.60, 103,204.92 and 29,357.52

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Solution

The fourth proportional to 68,799.60, 103,204.92 and 29,357.52 is: 44,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,799.60 : 103,204.92 = 29,357.52 : x
  2. Step 2: Convert to fraction form
    68,799.60/103,204.92 = 29,357.52/x
  3. Step 3: Cross multiply
    68,799.60x = 103,204.92 × 29,357.52
  4. Step 4: Simplify right side
    68,799.60x = 3,029,840,503.00
  5. Step 5: Solve for x
    x = 3,029,840,503.00/68,799.60
  6. Step 6: Final answer
    x = 44,038.64

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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.