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Finding the Fourth Proportional to 355,970.73, 533,942.22 and 131,233.95

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Solution

The fourth proportional to 355,970.73, 533,942.22 and 131,233.95 is: 196,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,970.73 : 533,942.22 = 131,233.95 : x
  2. Step 2: Convert to fraction form
    355,970.73/533,942.22 = 131,233.95/x
  3. Step 3: Cross multiply
    355,970.73x = 533,942.22 × 131,233.95
  4. Step 4: Simplify right side
    355,970.73x = 70,071,346,602.37
  5. Step 5: Solve for x
    x = 70,071,346,602.37/355,970.73
  6. Step 6: Final answer
    x = 196,845.81

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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.