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Finding the Fourth Proportional to 168,492.11, 252,737.69 and 68,628.83

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Solution

The fourth proportional to 168,492.11, 252,737.69 and 68,628.83 is: 102,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,492.11 : 252,737.69 = 68,628.83 : x
  2. Step 2: Convert to fraction form
    168,492.11/252,737.69 = 68,628.83/x
  3. Step 3: Cross multiply
    168,492.11x = 252,737.69 × 68,628.83
  4. Step 4: Simplify right side
    168,492.11x = 17,345,090,354.77
  5. Step 5: Solve for x
    x = 17,345,090,354.77/168,492.11
  6. Step 6: Final answer
    x = 102,943.05

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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.