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Finding the Fourth Proportional to 133,486.12, 184,210.98 and 73,059.28

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Solution

The fourth proportional to 133,486.12, 184,210.98 and 73,059.28 is: 100,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,486.12 : 184,210.98 = 73,059.28 : x
  2. Step 2: Convert to fraction form
    133,486.12/184,210.98 = 73,059.28/x
  3. Step 3: Cross multiply
    133,486.12x = 184,210.98 × 73,059.28
  4. Step 4: Simplify right side
    133,486.12x = 13,458,321,566.89
  5. Step 5: Solve for x
    x = 13,458,321,566.89/133,486.12
  6. Step 6: Final answer
    x = 100,821.88

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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.