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Finding the Fourth Proportional to 254,653.31, 351,400.99 and 147,230.27

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Solution

The fourth proportional to 254,653.31, 351,400.99 and 147,230.27 is: 203,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,653.31 : 351,400.99 = 147,230.27 : x
  2. Step 2: Convert to fraction form
    254,653.31/351,400.99 = 147,230.27/x
  3. Step 3: Cross multiply
    254,653.31x = 351,400.99 × 147,230.27
  4. Step 4: Simplify right side
    254,653.31x = 51,736,862,635.97
  5. Step 5: Solve for x
    x = 51,736,862,635.97/254,653.31
  6. Step 6: Final answer
    x = 203,165.88

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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.