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Finding the Fourth Proportional to 61,791.39, 92,465.51 and 53,499.96

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Solution

The fourth proportional to 61,791.39, 92,465.51 and 53,499.96 is: 80,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,791.39 : 92,465.51 = 53,499.96 : x
  2. Step 2: Convert to fraction form
    61,791.39/92,465.51 = 53,499.96/x
  3. Step 3: Cross multiply
    61,791.39x = 92,465.51 × 53,499.96
  4. Step 4: Simplify right side
    61,791.39x = 4,946,900,818.88
  5. Step 5: Solve for x
    x = 4,946,900,818.88/61,791.39
  6. Step 6: Final answer
    x = 80,058.09

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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.