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Finding the Fourth Proportional to 157,654.40, 236,481.60 and 151,433.60

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Solution

The fourth proportional to 157,654.40, 236,481.60 and 151,433.60 is: 227,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,654.40 : 236,481.60 = 151,433.60 : x
  2. Step 2: Convert to fraction form
    157,654.40/236,481.60 = 151,433.60/x
  3. Step 3: Cross multiply
    157,654.40x = 236,481.60 × 151,433.60
  4. Step 4: Simplify right side
    157,654.40x = 35,811,260,021.76
  5. Step 5: Solve for x
    x = 35,811,260,021.76/157,654.40
  6. Step 6: Final answer
    x = 227,150.40

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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.