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Finding the Fourth Proportional to 151,544.78, 227,317.14 and 40,736.78

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Solution

The fourth proportional to 151,544.78, 227,317.14 and 40,736.78 is: 61,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,544.78 : 227,317.14 = 40,736.78 : x
  2. Step 2: Convert to fraction form
    151,544.78/227,317.14 = 40,736.78/x
  3. Step 3: Cross multiply
    151,544.78x = 227,317.14 × 40,736.78
  4. Step 4: Simplify right side
    151,544.78x = 9,260,168,322.41
  5. Step 5: Solve for x
    x = 9,260,168,322.41/151,544.78
  6. Step 6: Final answer
    x = 61,105.16

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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.