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Finding the Fourth Proportional to 67,124, 92,631.12 and 36,909.84

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Solution

The fourth proportional to 67,124, 92,631.12 and 36,909.84 is: 50,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,124 : 92,631.12 = 36,909.84 : x
  2. Step 2: Convert to fraction form
    67,124/92,631.12 = 36,909.84/x
  3. Step 3: Cross multiply
    67,124x = 92,631.12 × 36,909.84
  4. Step 4: Simplify right side
    67,124x = 3,418,999,818.22
  5. Step 5: Solve for x
    x = 3,418,999,818.22/67,124
  6. Step 6: Final answer
    x = 50,935.58

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