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Finding the Fourth Proportional to 186,503.83, 279,556.54 and 106,369.27

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Solution

The fourth proportional to 186,503.83, 279,556.54 and 106,369.27 is: 159,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,503.83 : 279,556.54 = 106,369.27 : x
  2. Step 2: Convert to fraction form
    186,503.83/279,556.54 = 106,369.27/x
  3. Step 3: Cross multiply
    186,503.83x = 279,556.54 × 106,369.27
  4. Step 4: Simplify right side
    186,503.83x = 29,736,225,083.53
  5. Step 5: Solve for x
    x = 29,736,225,083.53/186,503.83
  6. Step 6: Final answer
    x = 159,440.29

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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.