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Finding the Fourth Proportional to 260,992.56, 360,157.68 and 147,816.12

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Solution

The fourth proportional to 260,992.56, 360,157.68 and 147,816.12 is: 203,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,992.56 : 360,157.68 = 147,816.12 : x
  2. Step 2: Convert to fraction form
    260,992.56/360,157.68 = 147,816.12/x
  3. Step 3: Cross multiply
    260,992.56x = 360,157.68 × 147,816.12
  4. Step 4: Simplify right side
    260,992.56x = 53,237,110,845.80
  5. Step 5: Solve for x
    x = 53,237,110,845.80/260,992.56
  6. Step 6: Final answer
    x = 203,979.42

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1.5x scale

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.