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Finding the Fourth Proportional to 192,685.68, 289,072.44 and 103,937.22

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Solution

The fourth proportional to 192,685.68, 289,072.44 and 103,937.22 is: 155,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,685.68 : 289,072.44 = 103,937.22 : x
  2. Step 2: Convert to fraction form
    192,685.68/289,072.44 = 103,937.22/x
  3. Step 3: Cross multiply
    192,685.68x = 289,072.44 × 103,937.22
  4. Step 4: Simplify right side
    192,685.68x = 30,045,385,792.22
  5. Step 5: Solve for x
    x = 30,045,385,792.22/192,685.68
  6. Step 6: Final answer
    x = 155,929.52

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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.