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Finding the Fourth Proportional to 122,193.25, 168,566.77 and 106,037.89

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Solution

The fourth proportional to 122,193.25, 168,566.77 and 106,037.89 is: 146,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,193.25 : 168,566.77 = 106,037.89 : x
  2. Step 2: Convert to fraction form
    122,193.25/168,566.77 = 106,037.89/x
  3. Step 3: Cross multiply
    122,193.25x = 168,566.77 × 106,037.89
  4. Step 4: Simplify right side
    122,193.25x = 17,874,464,614.92
  5. Step 5: Solve for x
    x = 17,874,464,614.92/122,193.25
  6. Step 6: Final answer
    x = 146,280.29

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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.