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Finding the Fourth Proportional to 164,791.21, 247,122.87 and 56,700.04

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Solution

The fourth proportional to 164,791.21, 247,122.87 and 56,700.04 is: 85,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,791.21 : 247,122.87 = 56,700.04 : x
  2. Step 2: Convert to fraction form
    164,791.21/247,122.87 = 56,700.04/x
  3. Step 3: Cross multiply
    164,791.21x = 247,122.87 × 56,700.04
  4. Step 4: Simplify right side
    164,791.21x = 14,011,876,613.91
  5. Step 5: Solve for x
    x = 14,011,876,613.91/164,791.21
  6. Step 6: Final answer
    x = 85,028.06

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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.