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Finding the Fourth Proportional to 148,958.60, 223,437.90 and 122,714.60

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Solution

The fourth proportional to 148,958.60, 223,437.90 and 122,714.60 is: 184,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,958.60 : 223,437.90 = 122,714.60 : x
  2. Step 2: Convert to fraction form
    148,958.60/223,437.90 = 122,714.60/x
  3. Step 3: Cross multiply
    148,958.60x = 223,437.90 × 122,714.60
  4. Step 4: Simplify right side
    148,958.60x = 27,419,092,523.34
  5. Step 5: Solve for x
    x = 27,419,092,523.34/148,958.60
  6. Step 6: Final answer
    x = 184,071.90

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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.