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Finding the Fourth Proportional to 258,585.93, 356,621.44 and 181,021.84

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Solution

The fourth proportional to 258,585.93, 356,621.44 and 181,021.84 is: 249,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,585.93 : 356,621.44 = 181,021.84 : x
  2. Step 2: Convert to fraction form
    258,585.93/356,621.44 = 181,021.84/x
  3. Step 3: Cross multiply
    258,585.93x = 356,621.44 × 181,021.84
  4. Step 4: Simplify right side
    258,585.93x = 64,556,269,252.25
  5. Step 5: Solve for x
    x = 64,556,269,252.25/258,585.93
  6. Step 6: Final answer
    x = 249,651.13

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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.