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Finding the Fourth Proportional to 299,777.76, 449,846.64 and 119,831.04

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Solution

The fourth proportional to 299,777.76, 449,846.64 and 119,831.04 is: 179,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,777.76 : 449,846.64 = 119,831.04 : x
  2. Step 2: Convert to fraction form
    299,777.76/449,846.64 = 119,831.04/x
  3. Step 3: Cross multiply
    299,777.76x = 449,846.64 × 119,831.04
  4. Step 4: Simplify right side
    299,777.76x = 53,905,590,711.71
  5. Step 5: Solve for x
    x = 53,905,590,711.71/299,777.76
  6. Step 6: Final answer
    x = 179,818.51

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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.