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Finding the Fourth Proportional to 74,804.79, 112,113.62 and 37,375.37

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Solution

The fourth proportional to 74,804.79, 112,113.62 and 37,375.37 is: 56,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804.79 : 112,113.62 = 37,375.37 : x
  2. Step 2: Convert to fraction form
    74,804.79/112,113.62 = 37,375.37/x
  3. Step 3: Cross multiply
    74,804.79x = 112,113.62 × 37,375.37
  4. Step 4: Simplify right side
    74,804.79x = 4,190,287,282.09
  5. Step 5: Solve for x
    x = 4,190,287,282.09/74,804.79
  6. Step 6: Final answer
    x = 56,016.30

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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.