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Finding the Fourth Proportional to 188,506.01, 259,870.61 and 149,927.33

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Solution

The fourth proportional to 188,506.01, 259,870.61 and 149,927.33 is: 206,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,506.01 : 259,870.61 = 149,927.33 : x
  2. Step 2: Convert to fraction form
    188,506.01/259,870.61 = 149,927.33/x
  3. Step 3: Cross multiply
    188,506.01x = 259,870.61 × 149,927.33
  4. Step 4: Simplify right side
    188,506.01x = 38,961,705,953.13
  5. Step 5: Solve for x
    x = 38,961,705,953.13/188,506.01
  6. Step 6: Final answer
    x = 206,686.81

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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.