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Finding the Fourth Proportional to 73,077.72, 109,622.28 and 23,160.66

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Solution

The fourth proportional to 73,077.72, 109,622.28 and 23,160.66 is: 34,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,077.72 : 109,622.28 = 23,160.66 : x
  2. Step 2: Convert to fraction form
    73,077.72/109,622.28 = 23,160.66/x
  3. Step 3: Cross multiply
    73,077.72x = 109,622.28 × 23,160.66
  4. Step 4: Simplify right side
    73,077.72x = 2,538,924,355.50
  5. Step 5: Solve for x
    x = 2,538,924,355.50/73,077.72
  6. Step 6: Final answer
    x = 34,742.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.