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Finding the Fourth Proportional to 128,860.33, 193,244.17 and 44,597.63

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Solution

The fourth proportional to 128,860.33, 193,244.17 and 44,597.63 is: 66,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,860.33 : 193,244.17 = 44,597.63 : x
  2. Step 2: Convert to fraction form
    128,860.33/193,244.17 = 44,597.63/x
  3. Step 3: Cross multiply
    128,860.33x = 193,244.17 × 44,597.63
  4. Step 4: Simplify right side
    128,860.33x = 8,618,231,993.32
  5. Step 5: Solve for x
    x = 8,618,231,993.32/128,860.33
  6. Step 6: Final answer
    x = 66,880.41

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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.