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Finding the Fourth Proportional to 181,895.97, 251,015.97 and 101,322.64

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Solution

The fourth proportional to 181,895.97, 251,015.97 and 101,322.64 is: 139,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,895.97 : 251,015.97 = 101,322.64 : x
  2. Step 2: Convert to fraction form
    181,895.97/251,015.97 = 101,322.64/x
  3. Step 3: Cross multiply
    181,895.97x = 251,015.97 × 101,322.64
  4. Step 4: Simplify right side
    181,895.97x = 25,433,600,762.56
  5. Step 5: Solve for x
    x = 25,433,600,762.56/181,895.97
  6. Step 6: Final answer
    x = 139,824.98

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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.