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Finding the Fourth Proportional to 133,766.70, 184,478.48 and 88,490.94

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Solution

The fourth proportional to 133,766.70, 184,478.48 and 88,490.94 is: 122,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,766.70 : 184,478.48 = 88,490.94 : x
  2. Step 2: Convert to fraction form
    133,766.70/184,478.48 = 88,490.94/x
  3. Step 3: Cross multiply
    133,766.70x = 184,478.48 × 88,490.94
  4. Step 4: Simplify right side
    133,766.70x = 16,324,674,104.97
  5. Step 5: Solve for x
    x = 16,324,674,104.97/133,766.70
  6. Step 6: Final answer
    x = 122,038.40

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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.