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Finding the Fourth Proportional to 192,684.02, 288,966.27 and 67,995.86

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Solution

The fourth proportional to 192,684.02, 288,966.27 and 67,995.86 is: 101,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,684.02 : 288,966.27 = 67,995.86 : x
  2. Step 2: Convert to fraction form
    192,684.02/288,966.27 = 67,995.86/x
  3. Step 3: Cross multiply
    192,684.02x = 288,966.27 × 67,995.86
  4. Step 4: Simplify right side
    192,684.02x = 19,648,510,039.64
  5. Step 5: Solve for x
    x = 19,648,510,039.64/192,684.02
  6. Step 6: Final answer
    x = 101,972.70

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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.