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Finding the Fourth Proportional to 179,632.40, 269,448.60 and 151,984.40

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Solution

The fourth proportional to 179,632.40, 269,448.60 and 151,984.40 is: 227,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,632.40 : 269,448.60 = 151,984.40 : x
  2. Step 2: Convert to fraction form
    179,632.40/269,448.60 = 151,984.40/x
  3. Step 3: Cross multiply
    179,632.40x = 269,448.60 × 151,984.40
  4. Step 4: Simplify right side
    179,632.40x = 40,951,983,801.84
  5. Step 5: Solve for x
    x = 40,951,983,801.84/179,632.40
  6. Step 6: Final answer
    x = 227,976.60

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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.