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Finding the Fourth Proportional to 335,116.98, 503,033.59 and 135,567.81

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Solution

The fourth proportional to 335,116.98, 503,033.59 and 135,567.81 is: 203,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,116.98 : 503,033.59 = 135,567.81 : x
  2. Step 2: Convert to fraction form
    335,116.98/503,033.59 = 135,567.81/x
  3. Step 3: Cross multiply
    335,116.98x = 503,033.59 × 135,567.81
  4. Step 4: Simplify right side
    335,116.98x = 68,195,162,322.20
  5. Step 5: Solve for x
    x = 68,195,162,322.20/335,116.98
  6. Step 6: Final answer
    x = 203,496.59

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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.