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Finding the Fourth Proportional to 188,001.33, 259,499.93 and 120,933.33

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Solution

The fourth proportional to 188,001.33, 259,499.93 and 120,933.33 is: 166,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,001.33 : 259,499.93 = 120,933.33 : x
  2. Step 2: Convert to fraction form
    188,001.33/259,499.93 = 120,933.33/x
  3. Step 3: Cross multiply
    188,001.33x = 259,499.93 × 120,933.33
  4. Step 4: Simplify right side
    188,001.33x = 31,382,190,669.67
  5. Step 5: Solve for x
    x = 31,382,190,669.67/188,001.33
  6. Step 6: Final answer
    x = 166,925.37

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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.