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Finding the Fourth Proportional to 192,915.56, 266,216.01 and 108,028.28

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Solution

The fourth proportional to 192,915.56, 266,216.01 and 108,028.28 is: 149,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,915.56 : 266,216.01 = 108,028.28 : x
  2. Step 2: Convert to fraction form
    192,915.56/266,216.01 = 108,028.28/x
  3. Step 3: Cross multiply
    192,915.56x = 266,216.01 × 108,028.28
  4. Step 4: Simplify right side
    192,915.56x = 28,758,857,668.76
  5. Step 5: Solve for x
    x = 28,758,857,668.76/192,915.56
  6. Step 6: Final answer
    x = 149,074.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.