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Finding the Fourth Proportional to 168,263.93, 252,443.60 and 68,495.72

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Solution

The fourth proportional to 168,263.93, 252,443.60 and 68,495.72 is: 102,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,263.93 : 252,443.60 = 68,495.72 : x
  2. Step 2: Convert to fraction form
    168,263.93/252,443.60 = 68,495.72/x
  3. Step 3: Cross multiply
    168,263.93x = 252,443.60 × 68,495.72
  4. Step 4: Simplify right side
    168,263.93x = 17,291,306,141.39
  5. Step 5: Solve for x
    x = 17,291,306,141.39/168,263.93
  6. Step 6: Final answer
    x = 102,763.00

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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.