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Finding the Fourth Proportional to 123,276.76, 184,869.78 and 44,369.88

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Solution

The fourth proportional to 123,276.76, 184,869.78 and 44,369.88 is: 66,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,276.76 : 184,869.78 = 44,369.88 : x
  2. Step 2: Convert to fraction form
    123,276.76/184,869.78 = 44,369.88/x
  3. Step 3: Cross multiply
    123,276.76x = 184,869.78 × 44,369.88
  4. Step 4: Simplify right side
    123,276.76x = 8,202,649,954.23
  5. Step 5: Solve for x
    x = 8,202,649,954.23/123,276.76
  6. Step 6: Final answer
    x = 66,538.49

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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.