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Finding the Fourth Proportional to 192,872.01, 289,308.06 and 93,013.59

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Solution

The fourth proportional to 192,872.01, 289,308.06 and 93,013.59 is: 139,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,872.01 : 289,308.06 = 93,013.59 : x
  2. Step 2: Convert to fraction form
    192,872.01/289,308.06 = 93,013.59/x
  3. Step 3: Cross multiply
    192,872.01x = 289,308.06 × 93,013.59
  4. Step 4: Simplify right side
    192,872.01x = 26,909,581,276.54
  5. Step 5: Solve for x
    x = 26,909,581,276.54/192,872.01
  6. Step 6: Final answer
    x = 139,520.41

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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.