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Finding the Fourth Proportional to 192,415.69, 288,652.20 and 59,284.81

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Solution

The fourth proportional to 192,415.69, 288,652.20 and 59,284.81 is: 88,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,415.69 : 288,652.20 = 59,284.81 : x
  2. Step 2: Convert to fraction form
    192,415.69/288,652.20 = 59,284.81/x
  3. Step 3: Cross multiply
    192,415.69x = 288,652.20 × 59,284.81
  4. Step 4: Simplify right side
    192,415.69x = 17,112,690,833.08
  5. Step 5: Solve for x
    x = 17,112,690,833.08/192,415.69
  6. Step 6: Final answer
    x = 88,936.05

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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.