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Finding the Fourth Proportional to 226,766.50, 340,153.02 and 79,022.50

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Solution

The fourth proportional to 226,766.50, 340,153.02 and 79,022.50 is: 118,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,766.50 : 340,153.02 = 79,022.50 : x
  2. Step 2: Convert to fraction form
    226,766.50/340,153.02 = 79,022.50/x
  3. Step 3: Cross multiply
    226,766.50x = 340,153.02 × 79,022.50
  4. Step 4: Simplify right side
    226,766.50x = 26,879,742,022.95
  5. Step 5: Solve for x
    x = 26,879,742,022.95/226,766.50
  6. Step 6: Final answer
    x = 118,534.89

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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.