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Finding the Fourth Proportional to 345,012.56, 476,113.56 and 192,050

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Solution

The fourth proportional to 345,012.56, 476,113.56 and 192,050 is: 265,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,012.56 : 476,113.56 = 192,050 : x
  2. Step 2: Convert to fraction form
    345,012.56/476,113.56 = 192,050/x
  3. Step 3: Cross multiply
    345,012.56x = 476,113.56 × 192,050
  4. Step 4: Simplify right side
    345,012.56x = 91,437,609,198
  5. Step 5: Solve for x
    x = 91,437,609,198/345,012.56
  6. Step 6: Final answer
    x = 265,026.90

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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.