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Finding the Fourth Proportional to 224,287.56, 336,488.00 and 74,528.64

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Solution

The fourth proportional to 224,287.56, 336,488.00 and 74,528.64 is: 111,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,287.56 : 336,488.00 = 74,528.64 : x
  2. Step 2: Convert to fraction form
    224,287.56/336,488.00 = 74,528.64/x
  3. Step 3: Cross multiply
    224,287.56x = 336,488.00 × 74,528.64
  4. Step 4: Simplify right side
    224,287.56x = 25,077,992,643.68
  5. Step 5: Solve for x
    x = 25,077,992,643.68/224,287.56
  6. Step 6: Final answer
    x = 111,811.79

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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.