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Finding the Fourth Proportional to 103,499.00, 155,248.50 and 33,378.32

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Solution

The fourth proportional to 103,499.00, 155,248.50 and 33,378.32 is: 50,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,499.00 : 155,248.50 = 33,378.32 : x
  2. Step 2: Convert to fraction form
    103,499.00/155,248.50 = 33,378.32/x
  3. Step 3: Cross multiply
    103,499.00x = 155,248.50 × 33,378.32
  4. Step 4: Simplify right side
    103,499.00x = 5,181,933,461.45
  5. Step 5: Solve for x
    x = 5,181,933,461.45/103,499.00
  6. Step 6: Final answer
    x = 50,067.47

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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.