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Finding the Fourth Proportional to 108,858.74, 150,198.77 and 63,510.84

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Solution

The fourth proportional to 108,858.74, 150,198.77 and 63,510.84 is: 87,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,858.74 : 150,198.77 = 63,510.84 : x
  2. Step 2: Convert to fraction form
    108,858.74/150,198.77 = 63,510.84/x
  3. Step 3: Cross multiply
    108,858.74x = 150,198.77 × 63,510.84
  4. Step 4: Simplify right side
    108,858.74x = 9,539,250,208.44
  5. Step 5: Solve for x
    x = 9,539,250,208.44/108,858.74
  6. Step 6: Final answer
    x = 87,629.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.