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Finding the Fourth Proportional to 254,546.78, 351,264.90 and 141,376.82

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Solution

The fourth proportional to 254,546.78, 351,264.90 and 141,376.82 is: 195,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,546.78 : 351,264.90 = 141,376.82 : x
  2. Step 2: Convert to fraction form
    254,546.78/351,264.90 = 141,376.82/x
  3. Step 3: Cross multiply
    254,546.78x = 351,264.90 × 141,376.82
  4. Step 4: Simplify right side
    254,546.78x = 49,660,714,539.62
  5. Step 5: Solve for x
    x = 49,660,714,539.62/254,546.78
  6. Step 6: Final answer
    x = 195,094.65

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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.