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Finding the Fourth Proportional to 262,637.54, 393,923.43 and 73,112.12

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Solution

The fourth proportional to 262,637.54, 393,923.43 and 73,112.12 is: 109,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,637.54 : 393,923.43 = 73,112.12 : x
  2. Step 2: Convert to fraction form
    262,637.54/393,923.43 = 73,112.12/x
  3. Step 3: Cross multiply
    262,637.54x = 393,923.43 × 73,112.12
  4. Step 4: Simplify right side
    262,637.54x = 28,800,577,084.97
  5. Step 5: Solve for x
    x = 28,800,577,084.97/262,637.54
  6. Step 6: Final answer
    x = 109,659.03

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1.5x scale

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.