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Finding the Fourth Proportional to 118,512.75, 177,769.14 and 35,406.75

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Solution

The fourth proportional to 118,512.75, 177,769.14 and 35,406.75 is: 53,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,512.75 : 177,769.14 = 35,406.75 : x
  2. Step 2: Convert to fraction form
    118,512.75/177,769.14 = 35,406.75/x
  3. Step 3: Cross multiply
    118,512.75x = 177,769.14 × 35,406.75
  4. Step 4: Simplify right side
    118,512.75x = 6,294,227,497.70
  5. Step 5: Solve for x
    x = 6,294,227,497.70/118,512.75
  6. Step 6: Final answer
    x = 53,110.13

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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.