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Finding the Fourth Proportional to 221,996.09, 332,957.01 and 79,812.37

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Solution

The fourth proportional to 221,996.09, 332,957.01 and 79,812.37 is: 119,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,996.09 : 332,957.01 = 79,812.37 : x
  2. Step 2: Convert to fraction form
    221,996.09/332,957.01 = 79,812.37/x
  3. Step 3: Cross multiply
    221,996.09x = 332,957.01 × 79,812.37
  4. Step 4: Simplify right side
    221,996.09x = 26,574,088,791.71
  5. Step 5: Solve for x
    x = 26,574,088,791.71/221,996.09
  6. Step 6: Final answer
    x = 119,705.21

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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.