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Finding the Fourth Proportional to 136,673.69, 205,003.24 and 36,832.28

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Solution

The fourth proportional to 136,673.69, 205,003.24 and 36,832.28 is: 55,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,673.69 : 205,003.24 = 36,832.28 : x
  2. Step 2: Convert to fraction form
    136,673.69/205,003.24 = 36,832.28/x
  3. Step 3: Cross multiply
    136,673.69x = 205,003.24 × 36,832.28
  4. Step 4: Simplify right side
    136,673.69x = 7,550,735,619.49
  5. Step 5: Solve for x
    x = 7,550,735,619.49/136,673.69
  6. Step 6: Final answer
    x = 55,246.45

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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.