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Finding the Fourth Proportional to 122,292, 168,828.57 and 95,370.03

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Solution

The fourth proportional to 122,292, 168,828.57 and 95,370.03 is: 131,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,292 : 168,828.57 = 95,370.03 : x
  2. Step 2: Convert to fraction form
    122,292/168,828.57 = 95,370.03/x
  3. Step 3: Cross multiply
    122,292x = 168,828.57 × 95,370.03
  4. Step 4: Simplify right side
    122,292x = 16,101,185,785.76
  5. Step 5: Solve for x
    x = 16,101,185,785.76/122,292
  6. Step 6: Final answer
    x = 131,661.81

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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.