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Finding the Fourth Proportional to 223,764.59, 335,613.58 and 74,005.72

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Solution

The fourth proportional to 223,764.59, 335,613.58 and 74,005.72 is: 110,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,764.59 : 335,613.58 = 74,005.72 : x
  2. Step 2: Convert to fraction form
    223,764.59/335,613.58 = 74,005.72/x
  3. Step 3: Cross multiply
    223,764.59x = 335,613.58 × 74,005.72
  4. Step 4: Simplify right side
    223,764.59x = 24,837,323,605.63
  5. Step 5: Solve for x
    x = 24,837,323,605.63/223,764.59
  6. Step 6: Final answer
    x = 110,997.56

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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.