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Finding the Fourth Proportional to 332,076.81, 498,078.32 and 118,836.11

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Solution

The fourth proportional to 332,076.81, 498,078.32 and 118,836.11 is: 178,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,076.81 : 498,078.32 = 118,836.11 : x
  2. Step 2: Convert to fraction form
    332,076.81/498,078.32 = 118,836.11/x
  3. Step 3: Cross multiply
    332,076.81x = 498,078.32 × 118,836.11
  4. Step 4: Simplify right side
    332,076.81x = 59,189,690,675.15
  5. Step 5: Solve for x
    x = 59,189,690,675.15/332,076.81
  6. Step 6: Final answer
    x = 178,240.96

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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.