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Finding the Fourth Proportional to 168,252.48, 252,343.08 and 63,079.20

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Solution

The fourth proportional to 168,252.48, 252,343.08 and 63,079.20 is: 94,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,252.48 : 252,343.08 = 63,079.20 : x
  2. Step 2: Convert to fraction form
    168,252.48/252,343.08 = 63,079.20/x
  3. Step 3: Cross multiply
    168,252.48x = 252,343.08 × 63,079.20
  4. Step 4: Simplify right side
    168,252.48x = 15,917,599,611.94
  5. Step 5: Solve for x
    x = 15,917,599,611.94/168,252.48
  6. Step 6: Final answer
    x = 94,605.44

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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.