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Finding the Fourth Proportional to 179,676.60, 269,477.10 and 90,846.60

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Solution

The fourth proportional to 179,676.60, 269,477.10 and 90,846.60 is: 136,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,676.60 : 269,477.10 = 90,846.60 : x
  2. Step 2: Convert to fraction form
    179,676.60/269,477.10 = 90,846.60/x
  3. Step 3: Cross multiply
    179,676.60x = 269,477.10 × 90,846.60
  4. Step 4: Simplify right side
    179,676.60x = 24,481,078,312.86
  5. Step 5: Solve for x
    x = 24,481,078,312.86/179,676.60
  6. Step 6: Final answer
    x = 136,250.79

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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.