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Finding the Fourth Proportional to 118,616.10, 177,896.22 and 43,695.56

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Solution

The fourth proportional to 118,616.10, 177,896.22 and 43,695.56 is: 65,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,616.10 : 177,896.22 = 43,695.56 : x
  2. Step 2: Convert to fraction form
    118,616.10/177,896.22 = 43,695.56/x
  3. Step 3: Cross multiply
    118,616.10x = 177,896.22 × 43,695.56
  4. Step 4: Simplify right side
    118,616.10x = 7,773,274,954.78
  5. Step 5: Solve for x
    x = 7,773,274,954.78/118,616.10
  6. Step 6: Final answer
    x = 65,533.05

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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.