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Finding the Fourth Proportional to 118,560.75, 177,911.28 and 43,733.49

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Solution

The fourth proportional to 118,560.75, 177,911.28 and 43,733.49 is: 65,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,560.75 : 177,911.28 = 43,733.49 : x
  2. Step 2: Convert to fraction form
    118,560.75/177,911.28 = 43,733.49/x
  3. Step 3: Cross multiply
    118,560.75x = 177,911.28 × 43,733.49
  4. Step 4: Simplify right side
    118,560.75x = 7,780,681,184.77
  5. Step 5: Solve for x
    x = 7,780,681,184.77/118,560.75
  6. Step 6: Final answer
    x = 65,626.11

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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.