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Finding the Fourth Proportional to 230,980.50, 346,608.99 and 99,652.50

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Solution

The fourth proportional to 230,980.50, 346,608.99 and 99,652.50 is: 149,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,980.50 : 346,608.99 = 99,652.50 : x
  2. Step 2: Convert to fraction form
    230,980.50/346,608.99 = 99,652.50/x
  3. Step 3: Cross multiply
    230,980.50x = 346,608.99 × 99,652.50
  4. Step 4: Simplify right side
    230,980.50x = 34,540,452,375.98
  5. Step 5: Solve for x
    x = 34,540,452,375.98/230,980.50
  6. Step 6: Final answer
    x = 149,538.39

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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.