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Finding the Fourth Proportional to 196,491.08, 294,489.90 and 84,039

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Solution

The fourth proportional to 196,491.08, 294,489.90 and 84,039 is: 125,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,491.08 : 294,489.90 = 84,039 : x
  2. Step 2: Convert to fraction form
    196,491.08/294,489.90 = 84,039/x
  3. Step 3: Cross multiply
    196,491.08x = 294,489.90 × 84,039
  4. Step 4: Simplify right side
    196,491.08x = 24,748,636,706.10
  5. Step 5: Solve for x
    x = 24,748,636,706.10/196,491.08
  6. Step 6: Final answer
    x = 125,952.98

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