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Finding the Fourth Proportional to 254,388.27, 351,029.79 and 146,992.89

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Solution

The fourth proportional to 254,388.27, 351,029.79 and 146,992.89 is: 202,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,388.27 : 351,029.79 = 146,992.89 : x
  2. Step 2: Convert to fraction form
    254,388.27/351,029.79 = 146,992.89/x
  3. Step 3: Cross multiply
    254,388.27x = 351,029.79 × 146,992.89
  4. Step 4: Simplify right side
    254,388.27x = 51,598,883,308.19
  5. Step 5: Solve for x
    x = 51,598,883,308.19/254,388.27
  6. Step 6: Final answer
    x = 202,835.15

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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.