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Finding the Fourth Proportional to 133,955.15, 184,867.34 and 88,554.39

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Solution

The fourth proportional to 133,955.15, 184,867.34 and 88,554.39 is: 122,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,955.15 : 184,867.34 = 88,554.39 : x
  2. Step 2: Convert to fraction form
    133,955.15/184,867.34 = 88,554.39/x
  3. Step 3: Cross multiply
    133,955.15x = 184,867.34 × 88,554.39
  4. Step 4: Simplify right side
    133,955.15x = 16,370,814,081.85
  5. Step 5: Solve for x
    x = 16,370,814,081.85/133,955.15
  6. Step 6: Final answer
    x = 122,211.16

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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.