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Finding the Fourth Proportional to 363,423.94, 545,157.79 and 114,105.94

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Solution

The fourth proportional to 363,423.94, 545,157.79 and 114,105.94 is: 171,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,423.94 : 545,157.79 = 114,105.94 : x
  2. Step 2: Convert to fraction form
    363,423.94/545,157.79 = 114,105.94/x
  3. Step 3: Cross multiply
    363,423.94x = 545,157.79 × 114,105.94
  4. Step 4: Simplify right side
    363,423.94x = 62,205,740,428.11
  5. Step 5: Solve for x
    x = 62,205,740,428.11/363,423.94
  6. Step 6: Final answer
    x = 171,165.78

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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.