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Finding the Fourth Proportional to 299,252.07, 448,728.66 and 99,502.43

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Solution

The fourth proportional to 299,252.07, 448,728.66 and 99,502.43 is: 149,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,252.07 : 448,728.66 = 99,502.43 : x
  2. Step 2: Convert to fraction form
    299,252.07/448,728.66 = 99,502.43/x
  3. Step 3: Cross multiply
    299,252.07x = 448,728.66 × 99,502.43
  4. Step 4: Simplify right side
    299,252.07x = 44,649,589,837.00
  5. Step 5: Solve for x
    x = 44,649,589,837.00/299,252.07
  6. Step 6: Final answer
    x = 149,203.95

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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.