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Finding the Fourth Proportional to 262,879.17, 362,894.34 and 153,968.37

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Solution

The fourth proportional to 262,879.17, 362,894.34 and 153,968.37 is: 212,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,879.17 : 362,894.34 = 153,968.37 : x
  2. Step 2: Convert to fraction form
    262,879.17/362,894.34 = 153,968.37/x
  3. Step 3: Cross multiply
    262,879.17x = 362,894.34 × 153,968.37
  4. Step 4: Simplify right side
    262,879.17x = 55,874,250,012.03
  5. Step 5: Solve for x
    x = 55,874,250,012.03/262,879.17
  6. Step 6: Final answer
    x = 212,547.27

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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.