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Finding the Fourth Proportional to 192,522.44, 288,220.68 and 112,315.16

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Solution

The fourth proportional to 192,522.44, 288,220.68 and 112,315.16 is: 168,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,522.44 : 288,220.68 = 112,315.16 : x
  2. Step 2: Convert to fraction form
    192,522.44/288,220.68 = 112,315.16/x
  3. Step 3: Cross multiply
    192,522.44x = 288,220.68 × 112,315.16
  4. Step 4: Simplify right side
    192,522.44x = 32,371,551,789.51
  5. Step 5: Solve for x
    x = 32,371,551,789.51/192,522.44
  6. Step 6: Final answer
    x = 168,144.30

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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.