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Finding the Fourth Proportional to 175,251.20, 262,941.60 and 168,771.20

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Solution

The fourth proportional to 175,251.20, 262,941.60 and 168,771.20 is: 253,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,251.20 : 262,941.60 = 168,771.20 : x
  2. Step 2: Convert to fraction form
    175,251.20/262,941.60 = 168,771.20/x
  3. Step 3: Cross multiply
    175,251.20x = 262,941.60 × 168,771.20
  4. Step 4: Simplify right side
    175,251.20x = 44,376,969,361.92
  5. Step 5: Solve for x
    x = 44,376,969,361.92/175,251.20
  6. Step 6: Final answer
    x = 253,219.20

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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.