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Finding the Fourth Proportional to 216,627.62, 324,803 and 104,083.88

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Solution

The fourth proportional to 216,627.62, 324,803 and 104,083.88 is: 156,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,627.62 : 324,803 = 104,083.88 : x
  2. Step 2: Convert to fraction form
    216,627.62/324,803 = 104,083.88/x
  3. Step 3: Cross multiply
    216,627.62x = 324,803 × 104,083.88
  4. Step 4: Simplify right side
    216,627.62x = 33,806,756,475.64
  5. Step 5: Solve for x
    x = 33,806,756,475.64/216,627.62
  6. Step 6: Final answer
    x = 156,059.31

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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.