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Finding the Fourth Proportional to 224,571.83, 336,784.77 and 74,771.78

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Solution

The fourth proportional to 224,571.83, 336,784.77 and 74,771.78 is: 112,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,571.83 : 336,784.77 = 74,771.78 : x
  2. Step 2: Convert to fraction form
    224,571.83/336,784.77 = 74,771.78/x
  3. Step 3: Cross multiply
    224,571.83x = 336,784.77 × 74,771.78
  4. Step 4: Simplify right side
    224,571.83x = 25,181,995,045.87
  5. Step 5: Solve for x
    x = 25,181,995,045.87/224,571.83
  6. Step 6: Final answer
    x = 112,133.37

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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.