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Finding the Fourth Proportional to 67,392.98, 93,032.20 and 43,531.28

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Solution

The fourth proportional to 67,392.98, 93,032.20 and 43,531.28 is: 60,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,392.98 : 93,032.20 = 43,531.28 : x
  2. Step 2: Convert to fraction form
    67,392.98/93,032.20 = 43,531.28/x
  3. Step 3: Cross multiply
    67,392.98x = 93,032.20 × 43,531.28
  4. Step 4: Simplify right side
    67,392.98x = 4,049,810,747.22
  5. Step 5: Solve for x
    x = 4,049,810,747.22/67,392.98
  6. Step 6: Final answer
    x = 60,092.47

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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.