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Finding the Fourth Proportional to 134,185.68, 201,336 and 45,448.56

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Solution

The fourth proportional to 134,185.68, 201,336 and 45,448.56 is: 68,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,185.68 : 201,336 = 45,448.56 : x
  2. Step 2: Convert to fraction form
    134,185.68/201,336 = 45,448.56/x
  3. Step 3: Cross multiply
    134,185.68x = 201,336 × 45,448.56
  4. Step 4: Simplify right side
    134,185.68x = 9,150,431,276.16
  5. Step 5: Solve for x
    x = 9,150,431,276.16/134,185.68
  6. Step 6: Final answer
    x = 68,192.31

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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.