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Finding the Fourth Proportional to 118,453.68, 177,750.52 and 43,626.42

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Solution

The fourth proportional to 118,453.68, 177,750.52 and 43,626.42 is: 65,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,453.68 : 177,750.52 = 43,626.42 : x
  2. Step 2: Convert to fraction form
    118,453.68/177,750.52 = 43,626.42/x
  3. Step 3: Cross multiply
    118,453.68x = 177,750.52 × 43,626.42
  4. Step 4: Simplify right side
    118,453.68x = 7,754,618,731.67
  5. Step 5: Solve for x
    x = 7,754,618,731.67/118,453.68
  6. Step 6: Final answer
    x = 65,465.41

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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.