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Finding the Fourth Proportional to 196,589.61, 294,996.41 and 76,630.95

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Solution

The fourth proportional to 196,589.61, 294,996.41 and 76,630.95 is: 114,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,589.61 : 294,996.41 = 76,630.95 : x
  2. Step 2: Convert to fraction form
    196,589.61/294,996.41 = 76,630.95/x
  3. Step 3: Cross multiply
    196,589.61x = 294,996.41 × 76,630.95
  4. Step 4: Simplify right side
    196,589.61x = 22,605,854,903.67
  5. Step 5: Solve for x
    x = 22,605,854,903.67/196,589.61
  6. Step 6: Final answer
    x = 114,990.08

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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.