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Finding the Fourth Proportional to 294,240.93, 406,040.20 and 166,940.52

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Solution

The fourth proportional to 294,240.93, 406,040.20 and 166,940.52 is: 230,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,240.93 : 406,040.20 = 166,940.52 : x
  2. Step 2: Convert to fraction form
    294,240.93/406,040.20 = 166,940.52/x
  3. Step 3: Cross multiply
    294,240.93x = 406,040.20 × 166,940.52
  4. Step 4: Simplify right side
    294,240.93x = 67,784,562,128.90
  5. Step 5: Solve for x
    x = 67,784,562,128.90/294,240.93
  6. Step 6: Final answer
    x = 230,370.95

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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.