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Finding the Fourth Proportional to 67,342, 92,940.96 and 43,538.08

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Solution

The fourth proportional to 67,342, 92,940.96 and 43,538.08 is: 60,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,342 : 92,940.96 = 43,538.08 : x
  2. Step 2: Convert to fraction form
    67,342/92,940.96 = 43,538.08/x
  3. Step 3: Cross multiply
    67,342x = 92,940.96 × 43,538.08
  4. Step 4: Simplify right side
    67,342x = 4,046,470,951.76
  5. Step 5: Solve for x
    x = 4,046,470,951.76/67,342
  6. Step 6: Final answer
    x = 60,088.37

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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.