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Finding the Fourth Proportional to 74,692.95, 111,971.62 and 37,264.47

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Solution

The fourth proportional to 74,692.95, 111,971.62 and 37,264.47 is: 55,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,692.95 : 111,971.62 = 37,264.47 : x
  2. Step 2: Convert to fraction form
    74,692.95/111,971.62 = 37,264.47/x
  3. Step 3: Cross multiply
    74,692.95x = 111,971.62 × 37,264.47
  4. Step 4: Simplify right side
    74,692.95x = 4,172,563,121.26
  5. Step 5: Solve for x
    x = 4,172,563,121.26/74,692.95
  6. Step 6: Final answer
    x = 55,862.88

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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.