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Finding the Fourth Proportional to 183,028.74, 252,609.89 and 125,620.90

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Solution

The fourth proportional to 183,028.74, 252,609.89 and 125,620.90 is: 173,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,028.74 : 252,609.89 = 125,620.90 : x
  2. Step 2: Convert to fraction form
    183,028.74/252,609.89 = 125,620.90/x
  3. Step 3: Cross multiply
    183,028.74x = 252,609.89 × 125,620.90
  4. Step 4: Simplify right side
    183,028.74x = 31,733,081,888.15
  5. Step 5: Solve for x
    x = 31,733,081,888.15/183,028.74
  6. Step 6: Final answer
    x = 173,377.59

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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.