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Finding the Fourth Proportional to 122,776.53, 184,263.21 and 63,629.11

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Solution

The fourth proportional to 122,776.53, 184,263.21 and 63,629.11 is: 95,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,776.53 : 184,263.21 = 63,629.11 : x
  2. Step 2: Convert to fraction form
    122,776.53/184,263.21 = 63,629.11/x
  3. Step 3: Cross multiply
    122,776.53x = 184,263.21 × 63,629.11
  4. Step 4: Simplify right side
    122,776.53x = 11,724,504,058.04
  5. Step 5: Solve for x
    x = 11,724,504,058.04/122,776.53
  6. Step 6: Final answer
    x = 95,494.67

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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.