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Finding the Fourth Proportional to 118,473.50, 177,738.33 and 35,369.66

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Solution

The fourth proportional to 118,473.50, 177,738.33 and 35,369.66 is: 53,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,473.50 : 177,738.33 = 35,369.66 : x
  2. Step 2: Convert to fraction form
    118,473.50/177,738.33 = 35,369.66/x
  3. Step 3: Cross multiply
    118,473.50x = 177,738.33 × 35,369.66
  4. Step 4: Simplify right side
    118,473.50x = 6,286,544,301.07
  5. Step 5: Solve for x
    x = 6,286,544,301.07/118,473.50
  6. Step 6: Final answer
    x = 53,062.87

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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.