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Finding the Fourth Proportional to 74,490.71, 111,673.08 and 32,338.98

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Solution

The fourth proportional to 74,490.71, 111,673.08 and 32,338.98 is: 48,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490.71 : 111,673.08 = 32,338.98 : x
  2. Step 2: Convert to fraction form
    74,490.71/111,673.08 = 32,338.98/x
  3. Step 3: Cross multiply
    74,490.71x = 111,673.08 × 32,338.98
  4. Step 4: Simplify right side
    74,490.71x = 3,611,393,500.66
  5. Step 5: Solve for x
    x = 3,611,393,500.66/74,490.71
  6. Step 6: Final answer
    x = 48,481.13

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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.