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Finding the Fourth Proportional to 307,120.41, 423,840.60 and 179,837.01

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Solution

The fourth proportional to 307,120.41, 423,840.60 and 179,837.01 is: 248,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,120.41 : 423,840.60 = 179,837.01 : x
  2. Step 2: Convert to fraction form
    307,120.41/423,840.60 = 179,837.01/x
  3. Step 3: Cross multiply
    307,120.41x = 423,840.60 × 179,837.01
  4. Step 4: Simplify right side
    307,120.41x = 76,222,226,220.61
  5. Step 5: Solve for x
    x = 76,222,226,220.61/307,120.41
  6. Step 6: Final answer
    x = 248,183.53

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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.