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Finding the Fourth Proportional to 193,292.28, 266,743.32 and 108,409.32

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Solution

The fourth proportional to 193,292.28, 266,743.32 and 108,409.32 is: 149,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,292.28 : 266,743.32 = 108,409.32 : x
  2. Step 2: Convert to fraction form
    193,292.28/266,743.32 = 108,409.32/x
  3. Step 3: Cross multiply
    193,292.28x = 266,743.32 × 108,409.32
  4. Step 4: Simplify right side
    193,292.28x = 28,917,461,935.74
  5. Step 5: Solve for x
    x = 28,917,461,935.74/193,292.28
  6. Step 6: Final answer
    x = 149,604.85

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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.