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Finding the Fourth Proportional to 174,335.20, 260,846.70 and 115,286.20

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Solution

The fourth proportional to 174,335.20, 260,846.70 and 115,286.20 is: 172,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,335.20 : 260,846.70 = 115,286.20 : x
  2. Step 2: Convert to fraction form
    174,335.20/260,846.70 = 115,286.20/x
  3. Step 3: Cross multiply
    174,335.20x = 260,846.70 × 115,286.20
  4. Step 4: Simplify right side
    174,335.20x = 30,072,024,825.54
  5. Step 5: Solve for x
    x = 30,072,024,825.54/174,335.20
  6. Step 6: Final answer
    x = 172,495.43

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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.