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Finding the Fourth Proportional to 118,507.69, 177,735.20 and 34,249.46

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Solution

The fourth proportional to 118,507.69, 177,735.20 and 34,249.46 is: 51,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,507.69 : 177,735.20 = 34,249.46 : x
  2. Step 2: Convert to fraction form
    118,507.69/177,735.20 = 34,249.46/x
  3. Step 3: Cross multiply
    118,507.69x = 177,735.20 × 34,249.46
  4. Step 4: Simplify right side
    118,507.69x = 6,087,334,622.99
  5. Step 5: Solve for x
    x = 6,087,334,622.99/118,507.69
  6. Step 6: Final answer
    x = 51,366.58

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1.5x scale

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.