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Finding the Fourth Proportional to 186,494.76, 279,744.08 and 149,291.33

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Solution

The fourth proportional to 186,494.76, 279,744.08 and 149,291.33 is: 223,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,494.76 : 279,744.08 = 149,291.33 : x
  2. Step 2: Convert to fraction form
    186,494.76/279,744.08 = 149,291.33/x
  3. Step 3: Cross multiply
    186,494.76x = 279,744.08 × 149,291.33
  4. Step 4: Simplify right side
    186,494.76x = 41,763,363,617.65
  5. Step 5: Solve for x
    x = 41,763,363,617.65/186,494.76
  6. Step 6: Final answer
    x = 223,938.54

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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.