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Finding the Fourth Proportional to 248,992.83, 343,561.50 and 141,544.53

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Solution

The fourth proportional to 248,992.83, 343,561.50 and 141,544.53 is: 195,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,992.83 : 343,561.50 = 141,544.53 : x
  2. Step 2: Convert to fraction form
    248,992.83/343,561.50 = 141,544.53/x
  3. Step 3: Cross multiply
    248,992.83x = 343,561.50 × 141,544.53
  4. Step 4: Simplify right side
    248,992.83x = 48,629,251,043.60
  5. Step 5: Solve for x
    x = 48,629,251,043.60/248,992.83
  6. Step 6: Final answer
    x = 195,303.82

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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.