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Finding the Fourth Proportional to 216,847.60, 324,810.60 and 179,983.60

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Solution

The fourth proportional to 216,847.60, 324,810.60 and 179,983.60 is: 269,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,847.60 : 324,810.60 = 179,983.60 : x
  2. Step 2: Convert to fraction form
    216,847.60/324,810.60 = 179,983.60/x
  3. Step 3: Cross multiply
    216,847.60x = 324,810.60 × 179,983.60
  4. Step 4: Simplify right side
    216,847.60x = 58,460,581,106.16
  5. Step 5: Solve for x
    x = 58,460,581,106.16/216,847.60
  6. Step 6: Final answer
    x = 269,592.94

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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.