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Finding the Fourth Proportional to 248,193,766.80, 371,618,803.80 and 194,446,054.80

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Solution

The fourth proportional to 248,193,766.80, 371,618,803.80 and 194,446,054.80 is: 291,142,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,193,766.80 : 371,618,803.80 = 194,446,054.80 : x
  2. Step 2: Convert to fraction form
    248,193,766.80/371,618,803.80 = 194,446,054.80/x
  3. Step 3: Cross multiply
    248,193,766.80x = 371,618,803.80 × 194,446,054.80
  4. Step 4: Simplify right side
    248,193,766.80x = 72,259,810,288,405,248
  5. Step 5: Solve for x
    x = 72,259,810,288,405,248/248,193,766.80
  6. Step 6: Final answer
    x = 291,142,727.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.