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Finding the Fourth Proportional to 181,958.81, 251,099.81 and 101,384.60

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Solution

The fourth proportional to 181,958.81, 251,099.81 and 101,384.60 is: 139,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,958.81 : 251,099.81 = 101,384.60 : x
  2. Step 2: Convert to fraction form
    181,958.81/251,099.81 = 101,384.60/x
  3. Step 3: Cross multiply
    181,958.81x = 251,099.81 × 101,384.60
  4. Step 4: Simplify right side
    181,958.81x = 25,457,652,034.50
  5. Step 5: Solve for x
    x = 25,457,652,034.50/181,958.81
  6. Step 6: Final answer
    x = 139,908.88

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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.