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Finding the Fourth Proportional to 190,598, 262,853.08 and 118,984.64

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Solution

The fourth proportional to 190,598, 262,853.08 and 118,984.64 is: 164,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,598 : 262,853.08 = 118,984.64 : x
  2. Step 2: Convert to fraction form
    190,598/262,853.08 = 118,984.64/x
  3. Step 3: Cross multiply
    190,598x = 262,853.08 × 118,984.64
  4. Step 4: Simplify right side
    190,598x = 31,275,479,096.69
  5. Step 5: Solve for x
    x = 31,275,479,096.69/190,598
  6. Step 6: Final answer
    x = 164,091.33

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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.