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Finding the Fourth Proportional to 168,068.07, 252,102.60 and 43,409.07

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Solution

The fourth proportional to 168,068.07, 252,102.60 and 43,409.07 is: 65,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,068.07 : 252,102.60 = 43,409.07 : x
  2. Step 2: Convert to fraction form
    168,068.07/252,102.60 = 43,409.07/x
  3. Step 3: Cross multiply
    168,068.07x = 252,102.60 × 43,409.07
  4. Step 4: Simplify right side
    168,068.07x = 10,943,539,410.58
  5. Step 5: Solve for x
    x = 10,943,539,410.58/168,068.07
  6. Step 6: Final answer
    x = 65,113.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.