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Finding the Fourth Proportional to 168,783.30, 253,272.15 and 63,677.70

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Solution

The fourth proportional to 168,783.30, 253,272.15 and 63,677.70 is: 95,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,783.30 : 253,272.15 = 63,677.70 : x
  2. Step 2: Convert to fraction form
    168,783.30/253,272.15 = 63,677.70/x
  3. Step 3: Cross multiply
    168,783.30x = 253,272.15 × 63,677.70
  4. Step 4: Simplify right side
    168,783.30x = 16,127,787,986.06
  5. Step 5: Solve for x
    x = 16,127,787,986.06/168,783.30
  6. Step 6: Final answer
    x = 95,553.22

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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.