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Finding the Fourth Proportional to 179,798.60, 269,697.90 and 113,313.80

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Solution

The fourth proportional to 179,798.60, 269,697.90 and 113,313.80 is: 169,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,798.60 : 269,697.90 = 113,313.80 : x
  2. Step 2: Convert to fraction form
    179,798.60/269,697.90 = 113,313.80/x
  3. Step 3: Cross multiply
    179,798.60x = 269,697.90 × 113,313.80
  4. Step 4: Simplify right side
    179,798.60x = 30,560,493,901.02
  5. Step 5: Solve for x
    x = 30,560,493,901.02/179,798.60
  6. Step 6: Final answer
    x = 169,970.70

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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.