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Finding the Fourth Proportional to 223,431.60, 335,147.40 and 130,119.60

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Solution

The fourth proportional to 223,431.60, 335,147.40 and 130,119.60 is: 195,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,431.60 : 335,147.40 = 130,119.60 : x
  2. Step 2: Convert to fraction form
    223,431.60/335,147.40 = 130,119.60/x
  3. Step 3: Cross multiply
    223,431.60x = 335,147.40 × 130,119.60
  4. Step 4: Simplify right side
    223,431.60x = 43,609,245,629.04
  5. Step 5: Solve for x
    x = 43,609,245,629.04/223,431.60
  6. Step 6: Final answer
    x = 195,179.40

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1.5x scale

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.