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Finding the Fourth Proportional to 118,474.72, 177,723.21 and 43,596.29

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Solution

The fourth proportional to 118,474.72, 177,723.21 and 43,596.29 is: 65,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,474.72 : 177,723.21 = 43,596.29 : x
  2. Step 2: Convert to fraction form
    118,474.72/177,723.21 = 43,596.29/x
  3. Step 3: Cross multiply
    118,474.72x = 177,723.21 × 43,596.29
  4. Step 4: Simplify right side
    118,474.72x = 7,748,073,210.69
  5. Step 5: Solve for x
    x = 7,748,073,210.69/118,474.72
  6. Step 6: Final answer
    x = 65,398.54

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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.