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Finding the Fourth Proportional to 345,004.53, 476,106.12 and 192,039.45

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Solution

The fourth proportional to 345,004.53, 476,106.12 and 192,039.45 is: 265,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,004.53 : 476,106.12 = 192,039.45 : x
  2. Step 2: Convert to fraction form
    345,004.53/476,106.12 = 192,039.45/x
  3. Step 3: Cross multiply
    345,004.53x = 476,106.12 × 192,039.45
  4. Step 4: Simplify right side
    345,004.53x = 91,431,157,426.43
  5. Step 5: Solve for x
    x = 91,431,157,426.43/345,004.53
  6. Step 6: Final answer
    x = 265,014.37

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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.