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Finding the Fourth Proportional to 176,576.80, 264,865.20 and 123,432.70

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Solution

The fourth proportional to 176,576.80, 264,865.20 and 123,432.70 is: 185,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,576.80 : 264,865.20 = 123,432.70 : x
  2. Step 2: Convert to fraction form
    176,576.80/264,865.20 = 123,432.70/x
  3. Step 3: Cross multiply
    176,576.80x = 264,865.20 × 123,432.70
  4. Step 4: Simplify right side
    176,576.80x = 32,693,026,772.04
  5. Step 5: Solve for x
    x = 32,693,026,772.04/176,576.80
  6. Step 6: Final answer
    x = 185,149.05

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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.