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Finding the Fourth Proportional to 125,999.01, 188,993.79 and 31,229.46

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Solution

The fourth proportional to 125,999.01, 188,993.79 and 31,229.46 is: 46,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,999.01 : 188,993.79 = 31,229.46 : x
  2. Step 2: Convert to fraction form
    125,999.01/188,993.79 = 31,229.46/x
  3. Step 3: Cross multiply
    125,999.01x = 188,993.79 × 31,229.46
  4. Step 4: Simplify right side
    125,999.01x = 5,902,174,005.05
  5. Step 5: Solve for x
    x = 5,902,174,005.05/125,999.01
  6. Step 6: Final answer
    x = 46,843.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.