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Finding the Fourth Proportional to 224,438.25, 336,656.97 and 130,878.39

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Solution

The fourth proportional to 224,438.25, 336,656.97 and 130,878.39 is: 196,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,438.25 : 336,656.97 = 130,878.39 : x
  2. Step 2: Convert to fraction form
    224,438.25/336,656.97 = 130,878.39/x
  3. Step 3: Cross multiply
    224,438.25x = 336,656.97 × 130,878.39
  4. Step 4: Simplify right side
    224,438.25x = 44,061,122,215.88
  5. Step 5: Solve for x
    x = 44,061,122,215.88/224,438.25
  6. Step 6: Final answer
    x = 196,317.35

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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.