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Finding the Fourth Proportional to 169,832.64, 234,379.54 and 141,489.12

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Solution

The fourth proportional to 169,832.64, 234,379.54 and 141,489.12 is: 195,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,832.64 : 234,379.54 = 141,489.12 : x
  2. Step 2: Convert to fraction form
    169,832.64/234,379.54 = 141,489.12/x
  3. Step 3: Cross multiply
    169,832.64x = 234,379.54 × 141,489.12
  4. Step 4: Simplify right side
    169,832.64x = 33,162,153,627.96
  5. Step 5: Solve for x
    x = 33,162,153,627.96/169,832.64
  6. Step 6: Final answer
    x = 195,263.73

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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.