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Finding the Fourth Proportional to 235,280.54, 324,686.31 and 133,325.41

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Solution

The fourth proportional to 235,280.54, 324,686.31 and 133,325.41 is: 183,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,280.54 : 324,686.31 = 133,325.41 : x
  2. Step 2: Convert to fraction form
    235,280.54/324,686.31 = 133,325.41/x
  3. Step 3: Cross multiply
    235,280.54x = 324,686.31 × 133,325.41
  4. Step 4: Simplify right side
    235,280.54x = 43,288,933,891.93
  5. Step 5: Solve for x
    x = 43,288,933,891.93/235,280.54
  6. Step 6: Final answer
    x = 183,988.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.