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Finding the Fourth Proportional to 224,308.24, 336,410.44 and 66,498.64

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Solution

The fourth proportional to 224,308.24, 336,410.44 and 66,498.64 is: 99,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,308.24 : 336,410.44 = 66,498.64 : x
  2. Step 2: Convert to fraction form
    224,308.24/336,410.44 = 66,498.64/x
  3. Step 3: Cross multiply
    224,308.24x = 336,410.44 × 66,498.64
  4. Step 4: Simplify right side
    224,308.24x = 22,370,836,741.80
  5. Step 5: Solve for x
    x = 22,370,836,741.80/224,308.24
  6. Step 6: Final answer
    x = 99,732.57

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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.