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Finding the Fourth Proportional to 227,338.83, 313,720.39 and 125,368.59

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Solution

The fourth proportional to 227,338.83, 313,720.39 and 125,368.59 is: 173,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,338.83 : 313,720.39 = 125,368.59 : x
  2. Step 2: Convert to fraction form
    227,338.83/313,720.39 = 125,368.59/x
  3. Step 3: Cross multiply
    227,338.83x = 313,720.39 × 125,368.59
  4. Step 4: Simplify right side
    227,338.83x = 39,330,682,948.55
  5. Step 5: Solve for x
    x = 39,330,682,948.55/227,338.83
  6. Step 6: Final answer
    x = 173,004.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.