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Finding the Fourth Proportional to 174,015.61, 260,757.72 and 129,426.73

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Solution

The fourth proportional to 174,015.61, 260,757.72 and 129,426.73 is: 193,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,015.61 : 260,757.72 = 129,426.73 : x
  2. Step 2: Convert to fraction form
    174,015.61/260,757.72 = 129,426.73/x
  3. Step 3: Cross multiply
    174,015.61x = 260,757.72 × 129,426.73
  4. Step 4: Simplify right side
    174,015.61x = 33,749,019,021.86
  5. Step 5: Solve for x
    x = 33,749,019,021.86/174,015.61
  6. Step 6: Final answer
    x = 193,942.48

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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.