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Finding the Fourth Proportional to 168,521.76, 252,808.56 and 63,348.12

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Solution

The fourth proportional to 168,521.76, 252,808.56 and 63,348.12 is: 95,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,521.76 : 252,808.56 = 63,348.12 : x
  2. Step 2: Convert to fraction form
    168,521.76/252,808.56 = 63,348.12/x
  3. Step 3: Cross multiply
    168,521.76x = 252,808.56 × 63,348.12
  4. Step 4: Simplify right side
    168,521.76x = 16,014,946,995.91
  5. Step 5: Solve for x
    x = 16,014,946,995.91/168,521.76
  6. Step 6: Final answer
    x = 95,031.92

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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.