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Finding the Fourth Proportional to 335,351.64, 503,026.92 and 86,033.64

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Solution

The fourth proportional to 335,351.64, 503,026.92 and 86,033.64 is: 129,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,351.64 : 503,026.92 = 86,033.64 : x
  2. Step 2: Convert to fraction form
    335,351.64/503,026.92 = 86,033.64/x
  3. Step 3: Cross multiply
    335,351.64x = 503,026.92 × 86,033.64
  4. Step 4: Simplify right side
    335,351.64x = 43,277,236,945.59
  5. Step 5: Solve for x
    x = 43,277,236,945.59/335,351.64
  6. Step 6: Final answer
    x = 129,050.32

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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.