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Finding the Fourth Proportional to 73,641.25, 110,394.38 and 28,692.93

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Solution

The fourth proportional to 73,641.25, 110,394.38 and 28,692.93 is: 43,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.25 : 110,394.38 = 28,692.93 : x
  2. Step 2: Convert to fraction form
    73,641.25/110,394.38 = 28,692.93/x
  3. Step 3: Cross multiply
    73,641.25x = 110,394.38 × 28,692.93
  4. Step 4: Simplify right side
    73,641.25x = 3,167,538,217.73
  5. Step 5: Solve for x
    x = 3,167,538,217.73/73,641.25
  6. Step 6: Final answer
    x = 43,013.10

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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.