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Finding the Fourth Proportional to 263,988.52, 364,604.85 and 178,957.96

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Solution

The fourth proportional to 263,988.52, 364,604.85 and 178,957.96 is: 247,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,988.52 : 364,604.85 = 178,957.96 : x
  2. Step 2: Convert to fraction form
    263,988.52/364,604.85 = 178,957.96/x
  3. Step 3: Cross multiply
    263,988.52x = 364,604.85 × 178,957.96
  4. Step 4: Simplify right side
    263,988.52x = 65,248,939,250.59
  5. Step 5: Solve for x
    x = 65,248,939,250.59/263,988.52
  6. Step 6: Final answer
    x = 247,165.82

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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.