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Finding the Fourth Proportional to 168,564.80, 252,856.91 and 63,384.68

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Solution

The fourth proportional to 168,564.80, 252,856.91 and 63,384.68 is: 95,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,564.80 : 252,856.91 = 63,384.68 : x
  2. Step 2: Convert to fraction form
    168,564.80/252,856.91 = 63,384.68/x
  3. Step 3: Cross multiply
    168,564.80x = 252,856.91 × 63,384.68
  4. Step 4: Simplify right side
    168,564.80x = 16,027,252,744.93
  5. Step 5: Solve for x
    x = 16,027,252,744.93/168,564.80
  6. Step 6: Final answer
    x = 95,080.66

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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.