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Finding the Fourth Proportional to 335,708.56, 503,641.08 and 111,059.92

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Solution

The fourth proportional to 335,708.56, 503,641.08 and 111,059.92 is: 166,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,708.56 : 503,641.08 = 111,059.92 : x
  2. Step 2: Convert to fraction form
    335,708.56/503,641.08 = 111,059.92/x
  3. Step 3: Cross multiply
    335,708.56x = 503,641.08 × 111,059.92
  4. Step 4: Simplify right side
    335,708.56x = 55,934,338,053.51
  5. Step 5: Solve for x
    x = 55,934,338,053.51/335,708.56
  6. Step 6: Final answer
    x = 166,615.76

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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.