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Finding the Fourth Proportional to 74,888.82, 112,253.31 and 37,375.02

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Solution

The fourth proportional to 74,888.82, 112,253.31 and 37,375.02 is: 56,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,888.82 : 112,253.31 = 37,375.02 : x
  2. Step 2: Convert to fraction form
    74,888.82/112,253.31 = 37,375.02/x
  3. Step 3: Cross multiply
    74,888.82x = 112,253.31 × 37,375.02
  4. Step 4: Simplify right side
    74,888.82x = 4,195,469,706.32
  5. Step 5: Solve for x
    x = 4,195,469,706.32/74,888.82
  6. Step 6: Final answer
    x = 56,022.64

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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.