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Finding the Fourth Proportional to 173,231.13, 238,927.22 and 149,072.81

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Solution

The fourth proportional to 173,231.13, 238,927.22 and 149,072.81 is: 205,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,231.13 : 238,927.22 = 149,072.81 : x
  2. Step 2: Convert to fraction form
    173,231.13/238,927.22 = 149,072.81/x
  3. Step 3: Cross multiply
    173,231.13x = 238,927.22 × 149,072.81
  4. Step 4: Simplify right side
    173,231.13x = 35,617,550,876.25
  5. Step 5: Solve for x
    x = 35,617,550,876.25/173,231.13
  6. Step 6: Final answer
    x = 205,607.11

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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.