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Finding the Fourth Proportional to 165,627.60, 248,441.40 and 40,968.60

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Solution

The fourth proportional to 165,627.60, 248,441.40 and 40,968.60 is: 61,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,627.60 : 248,441.40 = 40,968.60 : x
  2. Step 2: Convert to fraction form
    165,627.60/248,441.40 = 40,968.60/x
  3. Step 3: Cross multiply
    165,627.60x = 248,441.40 × 40,968.60
  4. Step 4: Simplify right side
    165,627.60x = 10,178,296,340.04
  5. Step 5: Solve for x
    x = 10,178,296,340.04/165,627.60
  6. Step 6: Final answer
    x = 61,452.90

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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.