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Finding the Fourth Proportional to 99,996.75, 150,068.97 and 47,406.42

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Solution

The fourth proportional to 99,996.75, 150,068.97 and 47,406.42 is: 71,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,996.75 : 150,068.97 = 47,406.42 : x
  2. Step 2: Convert to fraction form
    99,996.75/150,068.97 = 47,406.42/x
  3. Step 3: Cross multiply
    99,996.75x = 150,068.97 × 47,406.42
  4. Step 4: Simplify right side
    99,996.75x = 7,114,232,620.79
  5. Step 5: Solve for x
    x = 7,114,232,620.79/99,996.75
  6. Step 6: Final answer
    x = 71,144.64

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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.