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Finding the Fourth Proportional to 67,340, 92,938.20 and 43,536.08

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Solution

The fourth proportional to 67,340, 92,938.20 and 43,536.08 is: 60,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,340 : 92,938.20 = 43,536.08 : x
  2. Step 2: Convert to fraction form
    67,340/92,938.20 = 43,536.08/x
  3. Step 3: Cross multiply
    67,340x = 92,938.20 × 43,536.08
  4. Step 4: Simplify right side
    67,340x = 4,046,164,910.26
  5. Step 5: Solve for x
    x = 4,046,164,910.26/67,340
  6. Step 6: Final answer
    x = 60,085.61

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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.