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Finding the Fourth Proportional to 227,554.40, 341,720.40 and 149,016.80

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Solution

The fourth proportional to 227,554.40, 341,720.40 and 149,016.80 is: 223,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,554.40 : 341,720.40 = 149,016.80 : x
  2. Step 2: Convert to fraction form
    227,554.40/341,720.40 = 149,016.80/x
  3. Step 3: Cross multiply
    227,554.40x = 341,720.40 × 149,016.80
  4. Step 4: Simplify right side
    227,554.40x = 50,922,080,502.72
  5. Step 5: Solve for x
    x = 50,922,080,502.72/227,554.40
  6. Step 6: Final answer
    x = 223,779.81

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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.