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Finding the Fourth Proportional to 154,531.80, 231,797.70 and 119,496.60

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Solution

The fourth proportional to 154,531.80, 231,797.70 and 119,496.60 is: 179,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,531.80 : 231,797.70 = 119,496.60 : x
  2. Step 2: Convert to fraction form
    154,531.80/231,797.70 = 119,496.60/x
  3. Step 3: Cross multiply
    154,531.80x = 231,797.70 × 119,496.60
  4. Step 4: Simplify right side
    154,531.80x = 27,699,037,037.82
  5. Step 5: Solve for x
    x = 27,699,037,037.82/154,531.80
  6. Step 6: Final answer
    x = 179,244.90

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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.