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Finding the Fourth Proportional to 168,754.81, 253,094.91 and 48,785.71

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Solution

The fourth proportional to 168,754.81, 253,094.91 and 48,785.71 is: 73,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,754.81 : 253,094.91 = 48,785.71 : x
  2. Step 2: Convert to fraction form
    168,754.81/253,094.91 = 48,785.71/x
  3. Step 3: Cross multiply
    168,754.81x = 253,094.91 × 48,785.71
  4. Step 4: Simplify right side
    168,754.81x = 12,347,414,881.74
  5. Step 5: Solve for x
    x = 12,347,414,881.74/168,754.81
  6. Step 6: Final answer
    x = 73,167.78

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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.