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Finding the Fourth Proportional to 355,923.96, 533,846.43 and 89,684.46

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Solution

The fourth proportional to 355,923.96, 533,846.43 and 89,684.46 is: 134,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,923.96 : 533,846.43 = 89,684.46 : x
  2. Step 2: Convert to fraction form
    355,923.96/533,846.43 = 89,684.46/x
  3. Step 3: Cross multiply
    355,923.96x = 533,846.43 × 89,684.46
  4. Step 4: Simplify right side
    355,923.96x = 47,877,728,797.48
  5. Step 5: Solve for x
    x = 47,877,728,797.48/355,923.96
  6. Step 6: Final answer
    x = 134,516.73

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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.