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Finding the Fourth Proportional to 229,150.80, 343,726.20 and 154,501.20

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Solution

The fourth proportional to 229,150.80, 343,726.20 and 154,501.20 is: 231,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,150.80 : 343,726.20 = 154,501.20 : x
  2. Step 2: Convert to fraction form
    229,150.80/343,726.20 = 154,501.20/x
  3. Step 3: Cross multiply
    229,150.80x = 343,726.20 × 154,501.20
  4. Step 4: Simplify right side
    229,150.80x = 53,106,110,371.44
  5. Step 5: Solve for x
    x = 53,106,110,371.44/229,150.80
  6. Step 6: Final answer
    x = 231,751.80

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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.