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Finding the Fourth Proportional to 226,779.71, 340,379.75 and 114,538.75

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Solution

The fourth proportional to 226,779.71, 340,379.75 and 114,538.75 is: 171,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,779.71 : 340,379.75 = 114,538.75 : x
  2. Step 2: Convert to fraction form
    226,779.71/340,379.75 = 114,538.75/x
  3. Step 3: Cross multiply
    226,779.71x = 340,379.75 × 114,538.75
  4. Step 4: Simplify right side
    226,779.71x = 38,986,668,815.72
  5. Step 5: Solve for x
    x = 38,986,668,815.72/226,779.71
  6. Step 6: Final answer
    x = 171,914.28

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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.