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Finding the Fourth Proportional to 122,805.81, 184,208.71 and 34,059.32

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Solution

The fourth proportional to 122,805.81, 184,208.71 and 34,059.32 is: 51,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,805.81 : 184,208.71 = 34,059.32 : x
  2. Step 2: Convert to fraction form
    122,805.81/184,208.71 = 34,059.32/x
  3. Step 3: Cross multiply
    122,805.81x = 184,208.71 × 34,059.32
  4. Step 4: Simplify right side
    122,805.81x = 6,274,022,394.49
  5. Step 5: Solve for x
    x = 6,274,022,394.49/122,805.81
  6. Step 6: Final answer
    x = 51,088.97

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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.