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Finding the Fourth Proportional to 110,624.40, 165,936.60 and 51,575.40

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Solution

The fourth proportional to 110,624.40, 165,936.60 and 51,575.40 is: 77,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,624.40 : 165,936.60 = 51,575.40 : x
  2. Step 2: Convert to fraction form
    110,624.40/165,936.60 = 51,575.40/x
  3. Step 3: Cross multiply
    110,624.40x = 165,936.60 × 51,575.40
  4. Step 4: Simplify right side
    110,624.40x = 8,558,246,519.64
  5. Step 5: Solve for x
    x = 8,558,246,519.64/110,624.40
  6. Step 6: Final answer
    x = 77,363.10

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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.