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Finding the Fourth Proportional to 335,706.56, 503,638.08 and 111,057.92

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Solution

The fourth proportional to 335,706.56, 503,638.08 and 111,057.92 is: 166,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,706.56 : 503,638.08 = 111,057.92 : x
  2. Step 2: Convert to fraction form
    335,706.56/503,638.08 = 111,057.92/x
  3. Step 3: Cross multiply
    335,706.56x = 503,638.08 × 111,057.92
  4. Step 4: Simplify right side
    335,706.56x = 55,932,997,597.59
  5. Step 5: Solve for x
    x = 55,932,997,597.59/335,706.56
  6. Step 6: Final answer
    x = 166,612.76

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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.