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Finding the Fourth Proportional to 164,603.85, 246,887.81 and 111,636.07

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Solution

The fourth proportional to 164,603.85, 246,887.81 and 111,636.07 is: 167,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,603.85 : 246,887.81 = 111,636.07 : x
  2. Step 2: Convert to fraction form
    164,603.85/246,887.81 = 111,636.07/x
  3. Step 3: Cross multiply
    164,603.85x = 246,887.81 × 111,636.07
  4. Step 4: Simplify right side
    164,603.85x = 27,561,586,099.24
  5. Step 5: Solve for x
    x = 27,561,586,099.24/164,603.85
  6. Step 6: Final answer
    x = 167,441.93

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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.