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Finding the Fourth Proportional to 67,152.70, 92,670.91 and 36,941.12

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Solution

The fourth proportional to 67,152.70, 92,670.91 and 36,941.12 is: 50,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,152.70 : 92,670.91 = 36,941.12 : x
  2. Step 2: Convert to fraction form
    67,152.70/92,670.91 = 36,941.12/x
  3. Step 3: Cross multiply
    67,152.70x = 92,670.91 × 36,941.12
  4. Step 4: Simplify right side
    67,152.70x = 3,423,366,651.11
  5. Step 5: Solve for x
    x = 3,423,366,651.11/67,152.70
  6. Step 6: Final answer
    x = 50,978.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.