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Finding the Fourth Proportional to 252,668.16, 378,802.32 and 94,879.04

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Solution

The fourth proportional to 252,668.16, 378,802.32 and 94,879.04 is: 142,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,668.16 : 378,802.32 = 94,879.04 : x
  2. Step 2: Convert to fraction form
    252,668.16/378,802.32 = 94,879.04/x
  3. Step 3: Cross multiply
    252,668.16x = 378,802.32 × 94,879.04
  4. Step 4: Simplify right side
    252,668.16x = 35,940,400,471.37
  5. Step 5: Solve for x
    x = 35,940,400,471.37/252,668.16
  6. Step 6: Final answer
    x = 142,243.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.