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Finding the Fourth Proportional to 268,360.97, 370,341 and 145,853.34

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Solution

The fourth proportional to 268,360.97, 370,341 and 145,853.34 is: 201,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,360.97 : 370,341 = 145,853.34 : x
  2. Step 2: Convert to fraction form
    268,360.97/370,341 = 145,853.34/x
  3. Step 3: Cross multiply
    268,360.97x = 370,341 × 145,853.34
  4. Step 4: Simplify right side
    268,360.97x = 54,015,471,788.94
  5. Step 5: Solve for x
    x = 54,015,471,788.94/268,360.97
  6. Step 6: Final answer
    x = 201,279.17

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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.