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Finding the Fourth Proportional to 319,482.54, 479,043.99 and 106,136.24

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Solution

The fourth proportional to 319,482.54, 479,043.99 and 106,136.24 is: 159,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,482.54 : 479,043.99 = 106,136.24 : x
  2. Step 2: Convert to fraction form
    319,482.54/479,043.99 = 106,136.24/x
  3. Step 3: Cross multiply
    319,482.54x = 479,043.99 × 106,136.24
  4. Step 4: Simplify right side
    319,482.54x = 50,843,925,497.98
  5. Step 5: Solve for x
    x = 50,843,925,497.98/319,482.54
  6. Step 6: Final answer
    x = 159,144.61

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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.