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Finding the Fourth Proportional to 186,505.44, 279,760.11 and 149,302.05

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Solution

The fourth proportional to 186,505.44, 279,760.11 and 149,302.05 is: 223,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,505.44 : 279,760.11 = 149,302.05 : x
  2. Step 2: Convert to fraction form
    186,505.44/279,760.11 = 149,302.05/x
  3. Step 3: Cross multiply
    186,505.44x = 279,760.11 × 149,302.05
  4. Step 4: Simplify right side
    186,505.44x = 41,768,757,931.23
  5. Step 5: Solve for x
    x = 41,768,757,931.23/186,505.44
  6. Step 6: Final answer
    x = 223,954.64

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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.