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Finding the Fourth Proportional to 216,644.34, 324,828.02 and 104,100.60

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Solution

The fourth proportional to 216,644.34, 324,828.02 and 104,100.60 is: 156,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,644.34 : 324,828.02 = 104,100.60 : x
  2. Step 2: Convert to fraction form
    216,644.34/324,828.02 = 104,100.60/x
  3. Step 3: Cross multiply
    216,644.34x = 324,828.02 × 104,100.60
  4. Step 4: Simplify right side
    216,644.34x = 33,814,792,039.06
  5. Step 5: Solve for x
    x = 33,814,792,039.06/216,644.34
  6. Step 6: Final answer
    x = 156,084.35

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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.