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Finding the Fourth Proportional to 119,304.20, 178,952.20 and 30,558.47

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Solution

The fourth proportional to 119,304.20, 178,952.20 and 30,558.47 is: 45,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,304.20 : 178,952.20 = 30,558.47 : x
  2. Step 2: Convert to fraction form
    119,304.20/178,952.20 = 30,558.47/x
  3. Step 3: Cross multiply
    119,304.20x = 178,952.20 × 30,558.47
  4. Step 4: Simplify right side
    119,304.20x = 5,468,505,282.34
  5. Step 5: Solve for x
    x = 5,468,505,282.34/119,304.20
  6. Step 6: Final answer
    x = 45,836.66

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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.