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Finding the Fourth Proportional to 103,662.58, 155,493.86 and 33,548.98

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Solution

The fourth proportional to 103,662.58, 155,493.86 and 33,548.98 is: 50,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,662.58 : 155,493.86 = 33,548.98 : x
  2. Step 2: Convert to fraction form
    103,662.58/155,493.86 = 33,548.98/x
  3. Step 3: Cross multiply
    103,662.58x = 155,493.86 × 33,548.98
  4. Step 4: Simplify right side
    103,662.58x = 5,216,660,399.26
  5. Step 5: Solve for x
    x = 5,216,660,399.26/103,662.58
  6. Step 6: Final answer
    x = 50,323.47

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1.5x scale

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.