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Finding the Fourth Proportional to 192,555.17, 288,839.34 and 66,194.33

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Solution

The fourth proportional to 192,555.17, 288,839.34 and 66,194.33 is: 99,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,555.17 : 288,839.34 = 66,194.33 : x
  2. Step 2: Convert to fraction form
    192,555.17/288,839.34 = 66,194.33/x
  3. Step 3: Cross multiply
    192,555.17x = 288,839.34 × 66,194.33
  4. Step 4: Simplify right side
    192,555.17x = 19,119,527,837.58
  5. Step 5: Solve for x
    x = 19,119,527,837.58/192,555.17
  6. Step 6: Final answer
    x = 99,293.77

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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.