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Finding the Fourth Proportional to 223,818.94, 335,629.90 and 118,613.26

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Solution

The fourth proportional to 223,818.94, 335,629.90 and 118,613.26 is: 177,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,818.94 : 335,629.90 = 118,613.26 : x
  2. Step 2: Convert to fraction form
    223,818.94/335,629.90 = 118,613.26/x
  3. Step 3: Cross multiply
    223,818.94x = 335,629.90 × 118,613.26
  4. Step 4: Simplify right side
    223,818.94x = 39,810,156,592.47
  5. Step 5: Solve for x
    x = 39,810,156,592.47/223,818.94
  6. Step 6: Final answer
    x = 177,867.68

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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.