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Finding the Fourth Proportional to 319,596.48, 479,375.91 and 119,900.13

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Solution

The fourth proportional to 319,596.48, 479,375.91 and 119,900.13 is: 179,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,596.48 : 479,375.91 = 119,900.13 : x
  2. Step 2: Convert to fraction form
    319,596.48/479,375.91 = 119,900.13/x
  3. Step 3: Cross multiply
    319,596.48x = 479,375.91 × 119,900.13
  4. Step 4: Simplify right side
    319,596.48x = 57,477,233,927.87
  5. Step 5: Solve for x
    x = 57,477,233,927.87/319,596.48
  6. Step 6: Final answer
    x = 179,843.14

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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.