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Finding the Fourth Proportional to 133,763.70, 184,474.35 and 88,487.94

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Solution

The fourth proportional to 133,763.70, 184,474.35 and 88,487.94 is: 122,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,763.70 : 184,474.35 = 88,487.94 : x
  2. Step 2: Convert to fraction form
    133,763.70/184,474.35 = 88,487.94/x
  3. Step 3: Cross multiply
    133,763.70x = 184,474.35 × 88,487.94
  4. Step 4: Simplify right side
    133,763.70x = 16,323,755,214.34
  5. Step 5: Solve for x
    x = 16,323,755,214.34/133,763.70
  6. Step 6: Final answer
    x = 122,034.27

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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.