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Finding the Fourth Proportional to 190,651.44, 285,904.33 and 64,257.73

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Solution

The fourth proportional to 190,651.44, 285,904.33 and 64,257.73 is: 96,362.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,651.44 : 285,904.33 = 64,257.73 : x
  2. Step 2: Convert to fraction form
    190,651.44/285,904.33 = 64,257.73/x
  3. Step 3: Cross multiply
    190,651.44x = 285,904.33 × 64,257.73
  4. Step 4: Simplify right side
    190,651.44x = 18,371,561,492.16
  5. Step 5: Solve for x
    x = 18,371,561,492.16/190,651.44
  6. Step 6: Final answer
    x = 96,362.04

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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.