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Finding the Fourth Proportional to 164,420.28, 226,879.92 and 92,795.76

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Solution

The fourth proportional to 164,420.28, 226,879.92 and 92,795.76 is: 128,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,420.28 : 226,879.92 = 92,795.76 : x
  2. Step 2: Convert to fraction form
    164,420.28/226,879.92 = 92,795.76/x
  3. Step 3: Cross multiply
    164,420.28x = 226,879.92 × 92,795.76
  4. Step 4: Simplify right side
    164,420.28x = 21,053,494,605.14
  5. Step 5: Solve for x
    x = 21,053,494,605.14/164,420.28
  6. Step 6: Final answer
    x = 128,046.82

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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.