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Finding the Fourth Proportional to 192,231.96, 288,355.92 and 65,959.04

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Solution

The fourth proportional to 192,231.96, 288,355.92 and 65,959.04 is: 98,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,231.96 : 288,355.92 = 65,959.04 : x
  2. Step 2: Convert to fraction form
    192,231.96/288,355.92 = 65,959.04/x
  3. Step 3: Cross multiply
    192,231.96x = 288,355.92 × 65,959.04
  4. Step 4: Simplify right side
    192,231.96x = 19,019,679,661.52
  5. Step 5: Solve for x
    x = 19,019,679,661.52/192,231.96
  6. Step 6: Final answer
    x = 98,941.30

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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.