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Finding the Fourth Proportional to 132,576.48, 198,631.44 and 118,113.12

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Solution

The fourth proportional to 132,576.48, 198,631.44 and 118,113.12 is: 176,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,576.48 : 198,631.44 = 118,113.12 : x
  2. Step 2: Convert to fraction form
    132,576.48/198,631.44 = 118,113.12/x
  3. Step 3: Cross multiply
    132,576.48x = 198,631.44 × 118,113.12
  4. Step 4: Simplify right side
    132,576.48x = 23,460,979,108.49
  5. Step 5: Solve for x
    x = 23,460,979,108.49/132,576.48
  6. Step 6: Final answer
    x = 176,961.85

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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.