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Finding the Fourth Proportional to 68,783.04, 103,171.68 and 22,034.88

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Solution

The fourth proportional to 68,783.04, 103,171.68 and 22,034.88 is: 33,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,783.04 : 103,171.68 = 22,034.88 : x
  2. Step 2: Convert to fraction form
    68,783.04/103,171.68 = 22,034.88/x
  3. Step 3: Cross multiply
    68,783.04x = 103,171.68 × 22,034.88
  4. Step 4: Simplify right side
    68,783.04x = 2,273,375,588.20
  5. Step 5: Solve for x
    x = 2,273,375,588.20/68,783.04
  6. Step 6: Final answer
    x = 33,051.40

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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.