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Finding the Fourth Proportional to 254,673.45, 351,449.30 and 141,496.20

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Solution

The fourth proportional to 254,673.45, 351,449.30 and 141,496.20 is: 195,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,673.45 : 351,449.30 = 141,496.20 : x
  2. Step 2: Convert to fraction form
    254,673.45/351,449.30 = 141,496.20/x
  3. Step 3: Cross multiply
    254,673.45x = 351,449.30 × 141,496.20
  4. Step 4: Simplify right side
    254,673.45x = 49,728,740,796.40
  5. Step 5: Solve for x
    x = 49,728,740,796.40/254,673.45
  6. Step 6: Final answer
    x = 195,264.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.