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Finding the Fourth Proportional to 74,773.04, 112,212.16 and 67,626.56

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Solution

The fourth proportional to 74,773.04, 112,212.16 and 67,626.56 is: 101,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,773.04 : 112,212.16 = 67,626.56 : x
  2. Step 2: Convert to fraction form
    74,773.04/112,212.16 = 67,626.56/x
  3. Step 3: Cross multiply
    74,773.04x = 112,212.16 × 67,626.56
  4. Step 4: Simplify right side
    74,773.04x = 7,588,522,482.43
  5. Step 5: Solve for x
    x = 7,588,522,482.43/74,773.04
  6. Step 6: Final answer
    x = 101,487.42

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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.