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Finding the Fourth Proportional to 230,804.80, 345,581.61 and 119,763.52

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Solution

The fourth proportional to 230,804.80, 345,581.61 and 119,763.52 is: 179,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,804.80 : 345,581.61 = 119,763.52 : x
  2. Step 2: Convert to fraction form
    230,804.80/345,581.61 = 119,763.52/x
  3. Step 3: Cross multiply
    230,804.80x = 345,581.61 × 119,763.52
  4. Step 4: Simplify right side
    230,804.80x = 41,388,070,060.87
  5. Step 5: Solve for x
    x = 41,388,070,060.87/230,804.80
  6. Step 6: Final answer
    x = 179,320.66

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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.