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Finding the Fourth Proportional to 335,643.50, 503,466.60 and 135,967.66

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Solution

The fourth proportional to 335,643.50, 503,466.60 and 135,967.66 is: 203,952.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,643.50 : 503,466.60 = 135,967.66 : x
  2. Step 2: Convert to fraction form
    335,643.50/503,466.60 = 135,967.66/x
  3. Step 3: Cross multiply
    335,643.50x = 503,466.60 × 135,967.66
  4. Step 4: Simplify right side
    335,643.50x = 68,455,172,292.98
  5. Step 5: Solve for x
    x = 68,455,172,292.98/335,643.50
  6. Step 6: Final answer
    x = 203,952.03

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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.