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Finding the Fourth Proportional to 188,504.67, 260,032.62 and 119,467.83

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Solution

The fourth proportional to 188,504.67, 260,032.62 and 119,467.83 is: 164,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,504.67 : 260,032.62 = 119,467.83 : x
  2. Step 2: Convert to fraction form
    188,504.67/260,032.62 = 119,467.83/x
  3. Step 3: Cross multiply
    188,504.67x = 260,032.62 × 119,467.83
  4. Step 4: Simplify right side
    188,504.67x = 31,065,532,840.61
  5. Step 5: Solve for x
    x = 31,065,532,840.61/188,504.67
  6. Step 6: Final answer
    x = 164,799.80

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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.