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Finding the Fourth Proportional to 299,062.86, 448,669.94 and 99,384.27

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Solution

The fourth proportional to 299,062.86, 448,669.94 and 99,384.27 is: 149,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,062.86 : 448,669.94 = 99,384.27 : x
  2. Step 2: Convert to fraction form
    299,062.86/448,669.94 = 99,384.27/x
  3. Step 3: Cross multiply
    299,062.86x = 448,669.94 × 99,384.27
  4. Step 4: Simplify right side
    299,062.86x = 44,590,733,960.92
  5. Step 5: Solve for x
    x = 44,590,733,960.92/299,062.86
  6. Step 6: Final answer
    x = 149,101.54

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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.