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Finding the Fourth Proportional to 216,165.79, 297,648.42 and 195,890.77

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Solution

The fourth proportional to 216,165.79, 297,648.42 and 195,890.77 is: 269,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,165.79 : 297,648.42 = 195,890.77 : x
  2. Step 2: Convert to fraction form
    216,165.79/297,648.42 = 195,890.77/x
  3. Step 3: Cross multiply
    216,165.79x = 297,648.42 × 195,890.77
  4. Step 4: Simplify right side
    216,165.79x = 58,306,578,183.08
  5. Step 5: Solve for x
    x = 58,306,578,183.08/216,165.79
  6. Step 6: Final answer
    x = 269,730.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.