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Finding the Fourth Proportional to 291,859.98, 437,958.80 and 123,369.41

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Solution

The fourth proportional to 291,859.98, 437,958.80 and 123,369.41 is: 185,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,859.98 : 437,958.80 = 123,369.41 : x
  2. Step 2: Convert to fraction form
    291,859.98/437,958.80 = 123,369.41/x
  3. Step 3: Cross multiply
    291,859.98x = 437,958.80 × 123,369.41
  4. Step 4: Simplify right side
    291,859.98x = 54,030,715,953.67
  5. Step 5: Solve for x
    x = 54,030,715,953.67/291,859.98
  6. Step 6: Final answer
    x = 185,125.47

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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.