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Finding the Fourth Proportional to 223,929.37, 308,662.35 and 151,309.58

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Solution

The fourth proportional to 223,929.37, 308,662.35 and 151,309.58 is: 208,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,929.37 : 308,662.35 = 151,309.58 : x
  2. Step 2: Convert to fraction form
    223,929.37/308,662.35 = 151,309.58/x
  3. Step 3: Cross multiply
    223,929.37x = 308,662.35 × 151,309.58
  4. Step 4: Simplify right side
    223,929.37x = 46,703,570,540.31
  5. Step 5: Solve for x
    x = 46,703,570,540.31/223,929.37
  6. Step 6: Final answer
    x = 208,563.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.