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Finding the Fourth Proportional to 248,115.88, 342,402.54 and 134,941.06

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Solution

The fourth proportional to 248,115.88, 342,402.54 and 134,941.06 is: 186,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,115.88 : 342,402.54 = 134,941.06 : x
  2. Step 2: Convert to fraction form
    248,115.88/342,402.54 = 134,941.06/x
  3. Step 3: Cross multiply
    248,115.88x = 342,402.54 × 134,941.06
  4. Step 4: Simplify right side
    248,115.88x = 46,204,159,982.28
  5. Step 5: Solve for x
    x = 46,204,159,982.28/248,115.88
  6. Step 6: Final answer
    x = 186,220.09

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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.