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Finding the Fourth Proportional to 335,643.42, 503,466.50 and 135,967.59

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Solution

The fourth proportional to 335,643.42, 503,466.50 and 135,967.59 is: 203,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,643.42 : 503,466.50 = 135,967.59 : x
  2. Step 2: Convert to fraction form
    335,643.42/503,466.50 = 135,967.59/x
  3. Step 3: Cross multiply
    335,643.42x = 503,466.50 × 135,967.59
  4. Step 4: Simplify right side
    335,643.42x = 68,455,126,650.74
  5. Step 5: Solve for x
    x = 68,455,126,650.74/335,643.42
  6. Step 6: Final answer
    x = 203,951.94

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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.