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Finding the Fourth Proportional to 109,247.61, 150,773.22 and 63,940.26

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Solution

The fourth proportional to 109,247.61, 150,773.22 and 63,940.26 is: 88,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,247.61 : 150,773.22 = 63,940.26 : x
  2. Step 2: Convert to fraction form
    109,247.61/150,773.22 = 63,940.26/x
  3. Step 3: Cross multiply
    109,247.61x = 150,773.22 × 63,940.26
  4. Step 4: Simplify right side
    109,247.61x = 9,640,478,887.84
  5. Step 5: Solve for x
    x = 9,640,478,887.84/109,247.61
  6. Step 6: Final answer
    x = 88,244.30

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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.