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Finding the Fourth Proportional to 68,594.18, 102,943.10 and 29,179.04

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Solution

The fourth proportional to 68,594.18, 102,943.10 and 29,179.04 is: 43,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,594.18 : 102,943.10 = 29,179.04 : x
  2. Step 2: Convert to fraction form
    68,594.18/102,943.10 = 29,179.04/x
  3. Step 3: Cross multiply
    68,594.18x = 102,943.10 × 29,179.04
  4. Step 4: Simplify right side
    68,594.18x = 3,003,780,390.86
  5. Step 5: Solve for x
    x = 3,003,780,390.86/68,594.18
  6. Step 6: Final answer
    x = 43,790.60

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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.