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Finding the Fourth Proportional to 303,824.16, 455,791.59 and 104,164.74

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Solution

The fourth proportional to 303,824.16, 455,791.59 and 104,164.74 is: 156,266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,824.16 : 455,791.59 = 104,164.74 : x
  2. Step 2: Convert to fraction form
    303,824.16/455,791.59 = 104,164.74/x
  3. Step 3: Cross multiply
    303,824.16x = 455,791.59 × 104,164.74
  4. Step 4: Simplify right side
    303,824.16x = 47,477,412,466.54
  5. Step 5: Solve for x
    x = 47,477,412,466.54/303,824.16
  6. Step 6: Final answer
    x = 156,266.09

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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.