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Finding the Fourth Proportional to 73,150.80, 109,709.76 and 43,577.04

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Solution

The fourth proportional to 73,150.80, 109,709.76 and 43,577.04 is: 65,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,150.80 : 109,709.76 = 43,577.04 : x
  2. Step 2: Convert to fraction form
    73,150.80/109,709.76 = 43,577.04/x
  3. Step 3: Cross multiply
    73,150.80x = 109,709.76 × 43,577.04
  4. Step 4: Simplify right side
    73,150.80x = 4,780,826,599.91
  5. Step 5: Solve for x
    x = 4,780,826,599.91/73,150.80
  6. Step 6: Final answer
    x = 65,355.77

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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.