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Finding the Fourth Proportional to 118,544.46, 177,733.52 and 43,655

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Solution

The fourth proportional to 118,544.46, 177,733.52 and 43,655 is: 65,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,544.46 : 177,733.52 = 43,655 : x
  2. Step 2: Convert to fraction form
    118,544.46/177,733.52 = 43,655/x
  3. Step 3: Cross multiply
    118,544.46x = 177,733.52 × 43,655
  4. Step 4: Simplify right side
    118,544.46x = 7,758,956,815.60
  5. Step 5: Solve for x
    x = 7,758,956,815.60/118,544.46
  6. Step 6: Final answer
    x = 65,451.87

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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.