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Finding the Fourth Proportional to 343,064.75, 473,429.40 and 192,161.75

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Solution

The fourth proportional to 343,064.75, 473,429.40 and 192,161.75 is: 265,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,064.75 : 473,429.40 = 192,161.75 : x
  2. Step 2: Convert to fraction form
    343,064.75/473,429.40 = 192,161.75/x
  3. Step 3: Cross multiply
    343,064.75x = 473,429.40 × 192,161.75
  4. Step 4: Simplify right side
    343,064.75x = 90,975,022,005.45
  5. Step 5: Solve for x
    x = 90,975,022,005.45/343,064.75
  6. Step 6: Final answer
    x = 265,183.24

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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.