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Finding the Fourth Proportional to 222,503.60, 307,055.31 and 131,904.08

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Solution

The fourth proportional to 222,503.60, 307,055.31 and 131,904.08 is: 182,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,503.60 : 307,055.31 = 131,904.08 : x
  2. Step 2: Convert to fraction form
    222,503.60/307,055.31 = 131,904.08/x
  3. Step 3: Cross multiply
    222,503.60x = 307,055.31 × 131,904.08
  4. Step 4: Simplify right side
    222,503.60x = 40,501,848,174.66
  5. Step 5: Solve for x
    x = 40,501,848,174.66/222,503.60
  6. Step 6: Final answer
    x = 182,027.84

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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.