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Finding the Fourth Proportional to 223,928.37, 308,660.97 and 151,308.58

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Solution

The fourth proportional to 223,928.37, 308,660.97 and 151,308.58 is: 208,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,928.37 : 308,660.97 = 151,308.58 : x
  2. Step 2: Convert to fraction form
    223,928.37/308,660.97 = 151,308.58/x
  3. Step 3: Cross multiply
    223,928.37x = 308,660.97 × 151,308.58
  4. Step 4: Simplify right side
    223,928.37x = 46,703,052,678.74
  5. Step 5: Solve for x
    x = 46,703,052,678.74/223,928.37
  6. Step 6: Final answer
    x = 208,562.47

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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.