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Finding the Fourth Proportional to 192,522.94, 288,221.43 and 112,315.66

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Solution

The fourth proportional to 192,522.94, 288,221.43 and 112,315.66 is: 168,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,522.94 : 288,221.43 = 112,315.66 : x
  2. Step 2: Convert to fraction form
    192,522.94/288,221.43 = 112,315.66/x
  3. Step 3: Cross multiply
    192,522.94x = 288,221.43 × 112,315.66
  4. Step 4: Simplify right side
    192,522.94x = 32,371,780,136.59
  5. Step 5: Solve for x
    x = 32,371,780,136.59/192,522.94
  6. Step 6: Final answer
    x = 168,145.05

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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.