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Finding the Fourth Proportional to 355,989.94, 534,072.39 and 106,671.94

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Solution

The fourth proportional to 355,989.94, 534,072.39 and 106,671.94 is: 160,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,989.94 : 534,072.39 = 106,671.94 : x
  2. Step 2: Convert to fraction form
    355,989.94/534,072.39 = 106,671.94/x
  3. Step 3: Cross multiply
    355,989.94x = 534,072.39 × 106,671.94
  4. Step 4: Simplify right side
    355,989.94x = 56,970,536,206.54
  5. Step 5: Solve for x
    x = 56,970,536,206.54/355,989.94
  6. Step 6: Final answer
    x = 160,034.12

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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.