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Finding the Fourth Proportional to 186,890.00, 280,138.11 and 93,198.92

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Solution

The fourth proportional to 186,890.00, 280,138.11 and 93,198.92 is: 139,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,890.00 : 280,138.11 = 93,198.92 : x
  2. Step 2: Convert to fraction form
    186,890.00/280,138.11 = 93,198.92/x
  3. Step 3: Cross multiply
    186,890.00x = 280,138.11 × 93,198.92
  4. Step 4: Simplify right side
    186,890.00x = 26,108,567,902.15
  5. Step 5: Solve for x
    x = 26,108,567,902.15/186,890.00
  6. Step 6: Final answer
    x = 139,700.19

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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.