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Finding the Fourth Proportional to 73,804.09, 110,652.77 and 28,787.30

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Solution

The fourth proportional to 73,804.09, 110,652.77 and 28,787.30 is: 43,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,804.09 : 110,652.77 = 28,787.30 : x
  2. Step 2: Convert to fraction form
    73,804.09/110,652.77 = 28,787.30/x
  3. Step 3: Cross multiply
    73,804.09x = 110,652.77 × 28,787.30
  4. Step 4: Simplify right side
    73,804.09x = 3,185,394,834.42
  5. Step 5: Solve for x
    x = 3,185,394,834.42/73,804.09
  6. Step 6: Final answer
    x = 43,160.14

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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.