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Finding the Fourth Proportional to 259,843.38, 358,583.88 and 146,673.42

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Solution

The fourth proportional to 259,843.38, 358,583.88 and 146,673.42 is: 202,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,843.38 : 358,583.88 = 146,673.42 : x
  2. Step 2: Convert to fraction form
    259,843.38/358,583.88 = 146,673.42/x
  3. Step 3: Cross multiply
    259,843.38x = 358,583.88 × 146,673.42
  4. Step 4: Simplify right side
    259,843.38x = 52,594,724,036.47
  5. Step 5: Solve for x
    x = 52,594,724,036.47/259,843.38
  6. Step 6: Final answer
    x = 202,409.33

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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.