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Finding the Fourth Proportional to 66,962.44, 100,600.50 and 63,179.68

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Solution

The fourth proportional to 66,962.44, 100,600.50 and 63,179.68 is: 94,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,962.44 : 100,600.50 = 63,179.68 : x
  2. Step 2: Convert to fraction form
    66,962.44/100,600.50 = 63,179.68/x
  3. Step 3: Cross multiply
    66,962.44x = 100,600.50 × 63,179.68
  4. Step 4: Simplify right side
    66,962.44x = 6,355,907,397.84
  5. Step 5: Solve for x
    x = 6,355,907,397.84/66,962.44
  6. Step 6: Final answer
    x = 94,917.50

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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.