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Finding the Fourth Proportional to 223,056.20, 334,473.60 and 80,895.80

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Solution

The fourth proportional to 223,056.20, 334,473.60 and 80,895.80 is: 121,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,056.20 : 334,473.60 = 80,895.80 : x
  2. Step 2: Convert to fraction form
    223,056.20/334,473.60 = 80,895.80/x
  3. Step 3: Cross multiply
    223,056.20x = 334,473.60 × 80,895.80
  4. Step 4: Simplify right side
    223,056.20x = 27,057,509,450.88
  5. Step 5: Solve for x
    x = 27,057,509,450.88/223,056.20
  6. Step 6: Final answer
    x = 121,303.55

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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.