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Finding the Fourth Proportional to 119,300.43, 164,634.93 and 68,313.93

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Solution

The fourth proportional to 119,300.43, 164,634.93 and 68,313.93 is: 94,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,300.43 : 164,634.93 = 68,313.93 : x
  2. Step 2: Convert to fraction form
    119,300.43/164,634.93 = 68,313.93/x
  3. Step 3: Cross multiply
    119,300.43x = 164,634.93 × 68,313.93
  4. Step 4: Simplify right side
    119,300.43x = 11,246,859,083.57
  5. Step 5: Solve for x
    x = 11,246,859,083.57/119,300.43
  6. Step 6: Final answer
    x = 94,273.42

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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.