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Finding the Fourth Proportional to 73,311.98, 109,946.03 and 38,232.50

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Solution

The fourth proportional to 73,311.98, 109,946.03 and 38,232.50 is: 57,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,311.98 : 109,946.03 = 38,232.50 : x
  2. Step 2: Convert to fraction form
    73,311.98/109,946.03 = 38,232.50/x
  3. Step 3: Cross multiply
    73,311.98x = 109,946.03 × 38,232.50
  4. Step 4: Simplify right side
    73,311.98x = 4,203,510,851.08
  5. Step 5: Solve for x
    x = 4,203,510,851.08/73,311.98
  6. Step 6: Final answer
    x = 57,337.30

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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.