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Finding the Fourth Proportional to 104,161.68, 155,935.32 and 64,591.44

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Solution

The fourth proportional to 104,161.68, 155,935.32 and 64,591.44 is: 96,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,161.68 : 155,935.32 = 64,591.44 : x
  2. Step 2: Convert to fraction form
    104,161.68/155,935.32 = 64,591.44/x
  3. Step 3: Cross multiply
    104,161.68x = 155,935.32 × 64,591.44
  4. Step 4: Simplify right side
    104,161.68x = 10,072,086,865.66
  5. Step 5: Solve for x
    x = 10,072,086,865.66/104,161.68
  6. Step 6: Final answer
    x = 96,696.66

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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.