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Finding the Fourth Proportional to 168,463.29, 252,695.77 and 68,624.45

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Solution

The fourth proportional to 168,463.29, 252,695.77 and 68,624.45 is: 102,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,463.29 : 252,695.77 = 68,624.45 : x
  2. Step 2: Convert to fraction form
    168,463.29/252,695.77 = 68,624.45/x
  3. Step 3: Cross multiply
    168,463.29x = 252,695.77 × 68,624.45
  4. Step 4: Simplify right side
    168,463.29x = 17,341,107,746.15
  5. Step 5: Solve for x
    x = 17,341,107,746.15/168,463.29
  6. Step 6: Final answer
    x = 102,937.01

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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.