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Finding the Fourth Proportional to 183,178.82, 274,786.86 and 63,220.16

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Solution

The fourth proportional to 183,178.82, 274,786.86 and 63,220.16 is: 94,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,178.82 : 274,786.86 = 63,220.16 : x
  2. Step 2: Convert to fraction form
    183,178.82/274,786.86 = 63,220.16/x
  3. Step 3: Cross multiply
    183,178.82x = 274,786.86 × 63,220.16
  4. Step 4: Simplify right side
    183,178.82x = 17,372,069,255.10
  5. Step 5: Solve for x
    x = 17,372,069,255.10/183,178.82
  6. Step 6: Final answer
    x = 94,836.67

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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.