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Finding the Fourth Proportional to 122,299.27, 168,774.69 and 73,894.48

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Solution

The fourth proportional to 122,299.27, 168,774.69 and 73,894.48 is: 101,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,299.27 : 168,774.69 = 73,894.48 : x
  2. Step 2: Convert to fraction form
    122,299.27/168,774.69 = 73,894.48/x
  3. Step 3: Cross multiply
    122,299.27x = 168,774.69 × 73,894.48
  4. Step 4: Simplify right side
    122,299.27x = 12,471,517,394.22
  5. Step 5: Solve for x
    x = 12,471,517,394.22/122,299.27
  6. Step 6: Final answer
    x = 101,975.41

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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.