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Finding the Fourth Proportional to 133,914, 184,800.80 and 73,485.65

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Solution

The fourth proportional to 133,914, 184,800.80 and 73,485.65 is: 101,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,914 : 184,800.80 = 73,485.65 : x
  2. Step 2: Convert to fraction form
    133,914/184,800.80 = 73,485.65/x
  3. Step 3: Cross multiply
    133,914x = 184,800.80 × 73,485.65
  4. Step 4: Simplify right side
    133,914x = 13,580,206,908.52
  5. Step 5: Solve for x
    x = 13,580,206,908.52/133,914
  6. Step 6: Final answer
    x = 101,409.91

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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.