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Finding the Fourth Proportional to 168,053.60, 252,080.40 and 43,394.60

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Solution

The fourth proportional to 168,053.60, 252,080.40 and 43,394.60 is: 65,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,053.60 : 252,080.40 = 43,394.60 : x
  2. Step 2: Convert to fraction form
    168,053.60/252,080.40 = 43,394.60/x
  3. Step 3: Cross multiply
    168,053.60x = 252,080.40 × 43,394.60
  4. Step 4: Simplify right side
    168,053.60x = 10,938,928,125.84
  5. Step 5: Solve for x
    x = 10,938,928,125.84/168,053.60
  6. Step 6: Final answer
    x = 65,091.90

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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.