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Finding the Fourth Proportional to 248,793.14, 343,333.77 and 141,357.98

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Solution

The fourth proportional to 248,793.14, 343,333.77 and 141,357.98 is: 195,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,793.14 : 343,333.77 = 141,357.98 : x
  2. Step 2: Convert to fraction form
    248,793.14/343,333.77 = 141,357.98/x
  3. Step 3: Cross multiply
    248,793.14x = 343,333.77 × 141,357.98
  4. Step 4: Simplify right side
    248,793.14x = 48,532,968,192.98
  5. Step 5: Solve for x
    x = 48,532,968,192.98/248,793.14
  6. Step 6: Final answer
    x = 195,073.58

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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.