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Finding the Fourth Proportional to 68,841.96, 103,292.53 and 37,274.58

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Solution

The fourth proportional to 68,841.96, 103,292.53 and 37,274.58 is: 55,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,841.96 : 103,292.53 = 37,274.58 : x
  2. Step 2: Convert to fraction form
    68,841.96/103,292.53 = 37,274.58/x
  3. Step 3: Cross multiply
    68,841.96x = 103,292.53 × 37,274.58
  4. Step 4: Simplify right side
    68,841.96x = 3,850,184,970.05
  5. Step 5: Solve for x
    x = 3,850,184,970.05/68,841.96
  6. Step 6: Final answer
    x = 55,927.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.