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Finding the Fourth Proportional to 299,670.36, 449,571.27 and 112,681.86

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Solution

The fourth proportional to 299,670.36, 449,571.27 and 112,681.86 is: 169,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,670.36 : 449,571.27 = 112,681.86 : x
  2. Step 2: Convert to fraction form
    299,670.36/449,571.27 = 112,681.86/x
  3. Step 3: Cross multiply
    299,670.36x = 449,571.27 × 112,681.86
  4. Step 4: Simplify right side
    299,670.36x = 50,658,526,906.16
  5. Step 5: Solve for x
    x = 50,658,526,906.16/299,670.36
  6. Step 6: Final answer
    x = 169,047.51

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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.