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Finding the Fourth Proportional to 248,223.72, 342,549.54 and 135,046.44

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Solution

The fourth proportional to 248,223.72, 342,549.54 and 135,046.44 is: 186,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,223.72 : 342,549.54 = 135,046.44 : x
  2. Step 2: Convert to fraction form
    248,223.72/342,549.54 = 135,046.44/x
  3. Step 3: Cross multiply
    248,223.72x = 342,549.54 × 135,046.44
  4. Step 4: Simplify right side
    248,223.72x = 46,260,095,900.64
  5. Step 5: Solve for x
    x = 46,260,095,900.64/248,223.72
  6. Step 6: Final answer
    x = 186,364.53

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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.