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Finding the Fourth Proportional to 468,669.36, 703,004.02 and 131,696.40

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Solution

The fourth proportional to 468,669.36, 703,004.02 and 131,696.40 is: 197,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,669.36 : 703,004.02 = 131,696.40 : x
  2. Step 2: Convert to fraction form
    468,669.36/703,004.02 = 131,696.40/x
  3. Step 3: Cross multiply
    468,669.36x = 703,004.02 × 131,696.40
  4. Step 4: Simplify right side
    468,669.36x = 92,583,098,619.53
  5. Step 5: Solve for x
    x = 92,583,098,619.53/468,669.36
  6. Step 6: Final answer
    x = 197,544.59

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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.