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Finding the Fourth Proportional to 246,611.96, 369,934.34 and 86,668.55

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Solution

The fourth proportional to 246,611.96, 369,934.34 and 86,668.55 is: 130,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,611.96 : 369,934.34 = 86,668.55 : x
  2. Step 2: Convert to fraction form
    246,611.96/369,934.34 = 86,668.55/x
  3. Step 3: Cross multiply
    246,611.96x = 369,934.34 × 86,668.55
  4. Step 4: Simplify right side
    246,611.96x = 32,061,670,559.99
  5. Step 5: Solve for x
    x = 32,061,670,559.99/246,611.96
  6. Step 6: Final answer
    x = 130,008.58

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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.