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Finding the Fourth Proportional to 230,855.60, 345,732.60 and 112,145.60

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Solution

The fourth proportional to 230,855.60, 345,732.60 and 112,145.60 is: 167,950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,855.60 : 345,732.60 = 112,145.60 : x
  2. Step 2: Convert to fraction form
    230,855.60/345,732.60 = 112,145.60/x
  3. Step 3: Cross multiply
    230,855.60x = 345,732.60 × 112,145.60
  4. Step 4: Simplify right side
    230,855.60x = 38,772,389,866.56
  5. Step 5: Solve for x
    x = 38,772,389,866.56/230,855.60
  6. Step 6: Final answer
    x = 167,950.83

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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.