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Finding the Fourth Proportional to 168,771.69, 232,900.76 and 92,291.28

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Solution

The fourth proportional to 168,771.69, 232,900.76 and 92,291.28 is: 127,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,771.69 : 232,900.76 = 92,291.28 : x
  2. Step 2: Convert to fraction form
    168,771.69/232,900.76 = 92,291.28/x
  3. Step 3: Cross multiply
    168,771.69x = 232,900.76 × 92,291.28
  4. Step 4: Simplify right side
    168,771.69x = 21,494,708,791.92
  5. Step 5: Solve for x
    x = 21,494,708,791.92/168,771.69
  6. Step 6: Final answer
    x = 127,359.68

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1.5x scale

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.