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Finding the Fourth Proportional to 164,430.54, 246,640.38 and 69,635.40

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Solution

The fourth proportional to 164,430.54, 246,640.38 and 69,635.40 is: 104,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,430.54 : 246,640.38 = 69,635.40 : x
  2. Step 2: Convert to fraction form
    164,430.54/246,640.38 = 69,635.40/x
  3. Step 3: Cross multiply
    164,430.54x = 246,640.38 × 69,635.40
  4. Step 4: Simplify right side
    164,430.54x = 17,174,901,517.45
  5. Step 5: Solve for x
    x = 17,174,901,517.45/164,430.54
  6. Step 6: Final answer
    x = 104,450.80

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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.