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Finding the Fourth Proportional to 194,891.06, 268,950.45 and 105,467.06

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Solution

The fourth proportional to 194,891.06, 268,950.45 and 105,467.06 is: 145,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,891.06 : 268,950.45 = 105,467.06 : x
  2. Step 2: Convert to fraction form
    194,891.06/268,950.45 = 105,467.06/x
  3. Step 3: Cross multiply
    194,891.06x = 268,950.45 × 105,467.06
  4. Step 4: Simplify right side
    194,891.06x = 28,365,413,247.18
  5. Step 5: Solve for x
    x = 28,365,413,247.18/194,891.06
  6. Step 6: Final answer
    x = 145,544.97

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1.5x scale

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.