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Finding the Fourth Proportional to 67,318.76, 92,899.80 and 37,104.08

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Solution

The fourth proportional to 67,318.76, 92,899.80 and 37,104.08 is: 51,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,318.76 : 92,899.80 = 37,104.08 : x
  2. Step 2: Convert to fraction form
    67,318.76/92,899.80 = 37,104.08/x
  3. Step 3: Cross multiply
    67,318.76x = 92,899.80 × 37,104.08
  4. Step 4: Simplify right side
    67,318.76x = 3,446,961,611.18
  5. Step 5: Solve for x
    x = 3,446,961,611.18/67,318.76
  6. Step 6: Final answer
    x = 51,203.58

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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.