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Finding the Fourth Proportional to 92,791.90, 139,187.46 and 33,613.72

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Solution

The fourth proportional to 92,791.90, 139,187.46 and 33,613.72 is: 50,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,791.90 : 139,187.46 = 33,613.72 : x
  2. Step 2: Convert to fraction form
    92,791.90/139,187.46 = 33,613.72/x
  3. Step 3: Cross multiply
    92,791.90x = 139,187.46 × 33,613.72
  4. Step 4: Simplify right side
    92,791.90x = 4,678,608,307.95
  5. Step 5: Solve for x
    x = 4,678,608,307.95/92,791.90
  6. Step 6: Final answer
    x = 50,420.44

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1.5x scale

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.