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Finding the Fourth Proportional to 222,538.59, 333,828.41 and 72,779.72

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Solution

The fourth proportional to 222,538.59, 333,828.41 and 72,779.72 is: 109,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,538.59 : 333,828.41 = 72,779.72 : x
  2. Step 2: Convert to fraction form
    222,538.59/333,828.41 = 72,779.72/x
  3. Step 3: Cross multiply
    222,538.59x = 333,828.41 × 72,779.72
  4. Step 4: Simplify right side
    222,538.59x = 24,295,936,174.80
  5. Step 5: Solve for x
    x = 24,295,936,174.80/222,538.59
  6. Step 6: Final answer
    x = 109,176.28

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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.