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Finding the Fourth Proportional to 68,137.61, 94,032.56 and 37,924.20

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Solution

The fourth proportional to 68,137.61, 94,032.56 and 37,924.20 is: 52,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,137.61 : 94,032.56 = 37,924.20 : x
  2. Step 2: Convert to fraction form
    68,137.61/94,032.56 = 37,924.20/x
  3. Step 3: Cross multiply
    68,137.61x = 94,032.56 × 37,924.20
  4. Step 4: Simplify right side
    68,137.61x = 3,566,109,706.76
  5. Step 5: Solve for x
    x = 3,566,109,706.76/68,137.61
  6. Step 6: Final answer
    x = 52,336.88

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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.