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Finding the Fourth Proportional to 133,913.50, 184,800.11 and 73,485.15

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Solution

The fourth proportional to 133,913.50, 184,800.11 and 73,485.15 is: 101,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,913.50 : 184,800.11 = 73,485.15 : x
  2. Step 2: Convert to fraction form
    133,913.50/184,800.11 = 73,485.15/x
  3. Step 3: Cross multiply
    133,913.50x = 184,800.11 × 73,485.15
  4. Step 4: Simplify right side
    133,913.50x = 13,580,063,803.37
  5. Step 5: Solve for x
    x = 13,580,063,803.37/133,913.50
  6. Step 6: Final answer
    x = 101,409.22

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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.