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Finding the Fourth Proportional to 208,682.40, 313,042.36 and 58,924.20

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Solution

The fourth proportional to 208,682.40, 313,042.36 and 58,924.20 is: 88,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,682.40 : 313,042.36 = 58,924.20 : x
  2. Step 2: Convert to fraction form
    208,682.40/313,042.36 = 58,924.20/x
  3. Step 3: Cross multiply
    208,682.40x = 313,042.36 × 58,924.20
  4. Step 4: Simplify right side
    208,682.40x = 18,445,770,629.11
  5. Step 5: Solve for x
    x = 18,445,770,629.11/208,682.40
  6. Step 6: Final answer
    x = 88,391.60

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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.