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Finding the Fourth Proportional to 223,706.20, 335,611.85 and 73,946.50

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Solution

The fourth proportional to 223,706.20, 335,611.85 and 73,946.50 is: 110,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,706.20 : 335,611.85 = 73,946.50 : x
  2. Step 2: Convert to fraction form
    223,706.20/335,611.85 = 73,946.50/x
  3. Step 3: Cross multiply
    223,706.20x = 335,611.85 × 73,946.50
  4. Step 4: Simplify right side
    223,706.20x = 24,817,321,666.03
  5. Step 5: Solve for x
    x = 24,817,321,666.03/223,706.20
  6. Step 6: Final answer
    x = 110,937.12

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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.