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Finding the Fourth Proportional to 248,388.66, 342,813.26 and 146,381.51

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Solution

The fourth proportional to 248,388.66, 342,813.26 and 146,381.51 is: 202,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,388.66 : 342,813.26 = 146,381.51 : x
  2. Step 2: Convert to fraction form
    248,388.66/342,813.26 = 146,381.51/x
  3. Step 3: Cross multiply
    248,388.66x = 342,813.26 × 146,381.51
  4. Step 4: Simplify right side
    248,388.66x = 50,181,520,200.85
  5. Step 5: Solve for x
    x = 50,181,520,200.85/248,388.66
  6. Step 6: Final answer
    x = 202,028.23

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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.