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Finding the Fourth Proportional to 103,369.60, 155,054.36 and 33,248.88

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Solution

The fourth proportional to 103,369.60, 155,054.36 and 33,248.88 is: 49,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,369.60 : 155,054.36 = 33,248.88 : x
  2. Step 2: Convert to fraction form
    103,369.60/155,054.36 = 33,248.88/x
  3. Step 3: Cross multiply
    103,369.60x = 155,054.36 × 33,248.88
  4. Step 4: Simplify right side
    103,369.60x = 5,155,383,809.12
  5. Step 5: Solve for x
    x = 5,155,383,809.12/103,369.60
  6. Step 6: Final answer
    x = 49,873.31

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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.