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Finding the Fourth Proportional to 168,356.88, 252,491.58 and 49,996.44

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Solution

The fourth proportional to 168,356.88, 252,491.58 and 49,996.44 is: 74,981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,356.88 : 252,491.58 = 49,996.44 : x
  2. Step 2: Convert to fraction form
    168,356.88/252,491.58 = 49,996.44/x
  3. Step 3: Cross multiply
    168,356.88x = 252,491.58 × 49,996.44
  4. Step 4: Simplify right side
    168,356.88x = 12,623,680,129.98
  5. Step 5: Solve for x
    x = 12,623,680,129.98/168,356.88
  6. Step 6: Final answer
    x = 74,981.67

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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.