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Finding the Fourth Proportional to 136,674.69, 205,004.74 and 36,833.28

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Solution

The fourth proportional to 136,674.69, 205,004.74 and 36,833.28 is: 55,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,674.69 : 205,004.74 = 36,833.28 : x
  2. Step 2: Convert to fraction form
    136,674.69/205,004.74 = 36,833.28/x
  3. Step 3: Cross multiply
    136,674.69x = 205,004.74 × 36,833.28
  4. Step 4: Simplify right side
    136,674.69x = 7,550,996,989.75
  5. Step 5: Solve for x
    x = 7,550,996,989.75/136,674.69
  6. Step 6: Final answer
    x = 55,247.95

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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.