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Finding the Fourth Proportional to 73,178.88, 109,737.22 and 23,245.62

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Solution

The fourth proportional to 73,178.88, 109,737.22 and 23,245.62 is: 34,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,178.88 : 109,737.22 = 23,245.62 : x
  2. Step 2: Convert to fraction form
    73,178.88/109,737.22 = 23,245.62/x
  3. Step 3: Cross multiply
    73,178.88x = 109,737.22 × 23,245.62
  4. Step 4: Simplify right side
    73,178.88x = 2,550,909,715.98
  5. Step 5: Solve for x
    x = 2,550,909,715.98/73,178.88
  6. Step 6: Final answer
    x = 34,858.55

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1.5x scale

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.