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Finding the Fourth Proportional to 234,573.76, 323,755.14 and 133,971.76

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Solution

The fourth proportional to 234,573.76, 323,755.14 and 133,971.76 is: 184,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,573.76 : 323,755.14 = 133,971.76 : x
  2. Step 2: Convert to fraction form
    234,573.76/323,755.14 = 133,971.76/x
  3. Step 3: Cross multiply
    234,573.76x = 323,755.14 × 133,971.76
  4. Step 4: Simplify right side
    234,573.76x = 43,374,045,914.85
  5. Step 5: Solve for x
    x = 43,374,045,914.85/234,573.76
  6. Step 6: Final answer
    x = 184,905.79

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1.5x scale

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.