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Finding the Fourth Proportional to 223,838.40, 335,757.60 and 66,054.60

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Solution

The fourth proportional to 223,838.40, 335,757.60 and 66,054.60 is: 99,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,838.40 : 335,757.60 = 66,054.60 : x
  2. Step 2: Convert to fraction form
    223,838.40/335,757.60 = 66,054.60/x
  3. Step 3: Cross multiply
    223,838.40x = 335,757.60 × 66,054.60
  4. Step 4: Simplify right side
    223,838.40x = 22,178,333,964.96
  5. Step 5: Solve for x
    x = 22,178,333,964.96/223,838.40
  6. Step 6: Final answer
    x = 99,081.90

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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.