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Finding the Fourth Proportional to 226,980.16, 339,640.80 and 133,529.92

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Solution

The fourth proportional to 226,980.16, 339,640.80 and 133,529.92 is: 199,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,980.16 : 339,640.80 = 133,529.92 : x
  2. Step 2: Convert to fraction form
    226,980.16/339,640.80 = 133,529.92/x
  3. Step 3: Cross multiply
    226,980.16x = 339,640.80 × 133,529.92
  4. Step 4: Simplify right side
    226,980.16x = 45,352,208,852.74
  5. Step 5: Solve for x
    x = 45,352,208,852.74/226,980.16
  6. Step 6: Final answer
    x = 199,806.93

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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.