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Finding the Fourth Proportional to 99,190.78, 148,794.27 and 46,571.56

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Solution

The fourth proportional to 99,190.78, 148,794.27 and 46,571.56 is: 69,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,190.78 : 148,794.27 = 46,571.56 : x
  2. Step 2: Convert to fraction form
    99,190.78/148,794.27 = 46,571.56/x
  3. Step 3: Cross multiply
    99,190.78x = 148,794.27 × 46,571.56
  4. Step 4: Simplify right side
    99,190.78x = 6,929,581,272.96
  5. Step 5: Solve for x
    x = 6,929,581,272.96/99,190.78
  6. Step 6: Final answer
    x = 69,861.14

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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.