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Finding the Fourth Proportional to 239,171.63, 330,056.84 and 131,741.33

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Solution

The fourth proportional to 239,171.63, 330,056.84 and 131,741.33 is: 181,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,171.63 : 330,056.84 = 131,741.33 : x
  2. Step 2: Convert to fraction form
    239,171.63/330,056.84 = 131,741.33/x
  3. Step 3: Cross multiply
    239,171.63x = 330,056.84 × 131,741.33
  4. Step 4: Simplify right side
    239,171.63x = 43,482,125,756.27
  5. Step 5: Solve for x
    x = 43,482,125,756.27/239,171.63
  6. Step 6: Final answer
    x = 181,803.03

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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.