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Finding the Fourth Proportional to 68,544.72, 102,799.80 and 32,970.96

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Solution

The fourth proportional to 68,544.72, 102,799.80 and 32,970.96 is: 49,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,544.72 : 102,799.80 = 32,970.96 : x
  2. Step 2: Convert to fraction form
    68,544.72/102,799.80 = 32,970.96/x
  3. Step 3: Cross multiply
    68,544.72x = 102,799.80 × 32,970.96
  4. Step 4: Simplify right side
    68,544.72x = 3,389,408,093.81
  5. Step 5: Solve for x
    x = 3,389,408,093.81/68,544.72
  6. Step 6: Final answer
    x = 49,448.13

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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.