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Finding the Fourth Proportional to 235,629.32, 325,143.72 and 133,622.17

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Solution

The fourth proportional to 235,629.32, 325,143.72 and 133,622.17 is: 184,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,629.32 : 325,143.72 = 133,622.17 : x
  2. Step 2: Convert to fraction form
    235,629.32/325,143.72 = 133,622.17/x
  3. Step 3: Cross multiply
    235,629.32x = 325,143.72 × 133,622.17
  4. Step 4: Simplify right side
    235,629.32x = 43,446,408,615.41
  5. Step 5: Solve for x
    x = 43,446,408,615.41/235,629.32
  6. Step 6: Final answer
    x = 184,384.56

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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.