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Finding the Fourth Proportional to 193,292.64, 266,744.04 and 108,409.77

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Solution

The fourth proportional to 193,292.64, 266,744.04 and 108,409.77 is: 149,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,292.64 : 266,744.04 = 108,409.77 : x
  2. Step 2: Convert to fraction form
    193,292.64/266,744.04 = 108,409.77/x
  3. Step 3: Cross multiply
    193,292.64x = 266,744.04 × 108,409.77
  4. Step 4: Simplify right side
    193,292.64x = 28,917,660,025.27
  5. Step 5: Solve for x
    x = 28,917,660,025.27/193,292.64
  6. Step 6: Final answer
    x = 149,605.59

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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.