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Finding the Fourth Proportional to 66,153.67, 99,241.44 and 30,650.46

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Solution

The fourth proportional to 66,153.67, 99,241.44 and 30,650.46 is: 45,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,153.67 : 99,241.44 = 30,650.46 : x
  2. Step 2: Convert to fraction form
    66,153.67/99,241.44 = 30,650.46/x
  3. Step 3: Cross multiply
    66,153.67x = 99,241.44 × 30,650.46
  4. Step 4: Simplify right side
    66,153.67x = 3,041,795,299.97
  5. Step 5: Solve for x
    x = 3,041,795,299.97/66,153.67
  6. Step 6: Final answer
    x = 45,980.75

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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.