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Finding the Fourth Proportional to 192,623.74, 288,863.76 and 66,228.22

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Solution

The fourth proportional to 192,623.74, 288,863.76 and 66,228.22 is: 99,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,623.74 : 288,863.76 = 66,228.22 : x
  2. Step 2: Convert to fraction form
    192,623.74/288,863.76 = 66,228.22/x
  3. Step 3: Cross multiply
    192,623.74x = 288,863.76 × 66,228.22
  4. Step 4: Simplify right side
    192,623.74x = 19,130,932,647.31
  5. Step 5: Solve for x
    x = 19,130,932,647.31/192,623.74
  6. Step 6: Final answer
    x = 99,317.63

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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.