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Finding the Fourth Proportional to 222,958, 307,581.56 and 132,317.80

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Solution

The fourth proportional to 222,958, 307,581.56 and 132,317.80 is: 182,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,958 : 307,581.56 = 132,317.80 : x
  2. Step 2: Convert to fraction form
    222,958/307,581.56 = 132,317.80/x
  3. Step 3: Cross multiply
    222,958x = 307,581.56 × 132,317.80
  4. Step 4: Simplify right side
    222,958x = 40,698,515,339.77
  5. Step 5: Solve for x
    x = 40,698,515,339.77/222,958
  6. Step 6: Final answer
    x = 182,538.93

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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.