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Finding the Fourth Proportional to 252,994.40, 349,122.84 and 145,581.04

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Solution

The fourth proportional to 252,994.40, 349,122.84 and 145,581.04 is: 200,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,994.40 : 349,122.84 = 145,581.04 : x
  2. Step 2: Convert to fraction form
    252,994.40/349,122.84 = 145,581.04/x
  3. Step 3: Cross multiply
    252,994.40x = 349,122.84 × 145,581.04
  4. Step 4: Simplify right side
    252,994.40x = 50,825,666,134.95
  5. Step 5: Solve for x
    x = 50,825,666,134.95/252,994.40
  6. Step 6: Final answer
    x = 200,896.41

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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.