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Finding the Fourth Proportional to 133,989.08, 184,913.88 and 88,589.00

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Solution

The fourth proportional to 133,989.08, 184,913.88 and 88,589.00 is: 122,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,989.08 : 184,913.88 = 88,589.00 : x
  2. Step 2: Convert to fraction form
    133,989.08/184,913.88 = 88,589.00/x
  3. Step 3: Cross multiply
    133,989.08x = 184,913.88 × 88,589.00
  4. Step 4: Simplify right side
    133,989.08x = 16,381,334,790.75
  5. Step 5: Solve for x
    x = 16,381,334,790.75/133,989.08
  6. Step 6: Final answer
    x = 122,258.73

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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.