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Finding the Fourth Proportional to 219,800.68, 329,654.89 and 61,992.23

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Solution

The fourth proportional to 219,800.68, 329,654.89 and 61,992.23 is: 92,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,800.68 : 329,654.89 = 61,992.23 : x
  2. Step 2: Convert to fraction form
    219,800.68/329,654.89 = 61,992.23/x
  3. Step 3: Cross multiply
    219,800.68x = 329,654.89 × 61,992.23
  4. Step 4: Simplify right side
    219,800.68x = 20,436,041,761.50
  5. Step 5: Solve for x
    x = 20,436,041,761.50/219,800.68
  6. Step 6: Final answer
    x = 92,975.33

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1.5x scale

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.