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Finding the Fourth Proportional to 168,770.64, 232,949.64 and 105,071.04

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Solution

The fourth proportional to 168,770.64, 232,949.64 and 105,071.04 is: 145,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,770.64 : 232,949.64 = 105,071.04 : x
  2. Step 2: Convert to fraction form
    168,770.64/232,949.64 = 105,071.04/x
  3. Step 3: Cross multiply
    168,770.64x = 232,949.64 × 105,071.04
  4. Step 4: Simplify right side
    168,770.64x = 24,476,260,942.43
  5. Step 5: Solve for x
    x = 24,476,260,942.43/168,770.64
  6. Step 6: Final answer
    x = 145,026.77

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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.