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Finding the Fourth Proportional to 190,596, 262,850.32 and 118,982.64

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Solution

The fourth proportional to 190,596, 262,850.32 and 118,982.64 is: 164,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,596 : 262,850.32 = 118,982.64 : x
  2. Step 2: Convert to fraction form
    190,596/262,850.32 = 118,982.64/x
  3. Step 3: Cross multiply
    190,596x = 262,850.32 × 118,982.64
  4. Step 4: Simplify right side
    190,596x = 31,274,624,998.44
  5. Step 5: Solve for x
    x = 31,274,624,998.44/190,596
  6. Step 6: Final answer
    x = 164,088.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.