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Finding the Fourth Proportional to 192,924.38, 289,428.86 and 64,836.08

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Solution

The fourth proportional to 192,924.38, 289,428.86 and 64,836.08 is: 97,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,924.38 : 289,428.86 = 64,836.08 : x
  2. Step 2: Convert to fraction form
    192,924.38/289,428.86 = 64,836.08/x
  3. Step 3: Cross multiply
    192,924.38x = 289,428.86 × 64,836.08
  4. Step 4: Simplify right side
    192,924.38x = 18,765,432,521.57
  5. Step 5: Solve for x
    x = 18,765,432,521.57/192,924.38
  6. Step 6: Final answer
    x = 97,268.33

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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.