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Finding the Fourth Proportional to 133,378.66, 184,055.67 and 72,937.54

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Solution

The fourth proportional to 133,378.66, 184,055.67 and 72,937.54 is: 100,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,378.66 : 184,055.67 = 72,937.54 : x
  2. Step 2: Convert to fraction form
    133,378.66/184,055.67 = 72,937.54/x
  3. Step 3: Cross multiply
    133,378.66x = 184,055.67 × 72,937.54
  4. Step 4: Simplify right side
    133,378.66x = 13,424,567,792.85
  5. Step 5: Solve for x
    x = 13,424,567,792.85/133,378.66
  6. Step 6: Final answer
    x = 100,650.04

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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.