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Finding the Fourth Proportional to 192,734.16, 289,162.80 and 92,903.28

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Solution

The fourth proportional to 192,734.16, 289,162.80 and 92,903.28 is: 139,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,734.16 : 289,162.80 = 92,903.28 : x
  2. Step 2: Convert to fraction form
    192,734.16/289,162.80 = 92,903.28/x
  3. Step 3: Cross multiply
    192,734.16x = 289,162.80 × 92,903.28
  4. Step 4: Simplify right side
    192,734.16x = 26,864,172,573.98
  5. Step 5: Solve for x
    x = 26,864,172,573.98/192,734.16
  6. Step 6: Final answer
    x = 139,384.59

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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.