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Finding the Fourth Proportional to 192,468.20, 288,356.70 and 164,820.20

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Solution

The fourth proportional to 192,468.20, 288,356.70 and 164,820.20 is: 246,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,468.20 : 288,356.70 = 164,820.20 : x
  2. Step 2: Convert to fraction form
    192,468.20/288,356.70 = 164,820.20/x
  3. Step 3: Cross multiply
    192,468.20x = 288,356.70 × 164,820.20
  4. Step 4: Simplify right side
    192,468.20x = 47,527,008,965.34
  5. Step 5: Solve for x
    x = 47,527,008,965.34/192,468.20
  6. Step 6: Final answer
    x = 246,934.35

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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.