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Finding the Fourth Proportional to 168,934.94, 253,460.37 and 63,783.98

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Solution

The fourth proportional to 168,934.94, 253,460.37 and 63,783.98 is: 95,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,934.94 : 253,460.37 = 63,783.98 : x
  2. Step 2: Convert to fraction form
    168,934.94/253,460.37 = 63,783.98/x
  3. Step 3: Cross multiply
    168,934.94x = 253,460.37 × 63,783.98
  4. Step 4: Simplify right side
    168,934.94x = 16,166,711,170.87
  5. Step 5: Solve for x
    x = 16,166,711,170.87/168,934.94
  6. Step 6: Final answer
    x = 95,697.85

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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.