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Finding the Fourth Proportional to 171,004.20, 235,978.42 and 94,519.32

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Solution

The fourth proportional to 171,004.20, 235,978.42 and 94,519.32 is: 130,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,004.20 : 235,978.42 = 94,519.32 : x
  2. Step 2: Convert to fraction form
    171,004.20/235,978.42 = 94,519.32/x
  3. Step 3: Cross multiply
    171,004.20x = 235,978.42 × 94,519.32
  4. Step 4: Simplify right side
    171,004.20x = 22,304,519,793.07
  5. Step 5: Solve for x
    x = 22,304,519,793.07/171,004.20
  6. Step 6: Final answer
    x = 130,432.58

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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.