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Finding the Fourth Proportional to 109,245.81, 150,756.90 and 60,847.59

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Solution

The fourth proportional to 109,245.81, 150,756.90 and 60,847.59 is: 83,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,245.81 : 150,756.90 = 60,847.59 : x
  2. Step 2: Convert to fraction form
    109,245.81/150,756.90 = 60,847.59/x
  3. Step 3: Cross multiply
    109,245.81x = 150,756.90 × 60,847.59
  4. Step 4: Simplify right side
    109,245.81x = 9,173,194,040.87
  5. Step 5: Solve for x
    x = 9,173,194,040.87/109,245.81
  6. Step 6: Final answer
    x = 83,968.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.