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Finding the Fourth Proportional to 229,159.36, 343,762.80 and 79,399.36

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Solution

The fourth proportional to 229,159.36, 343,762.80 and 79,399.36 is: 119,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,159.36 : 343,762.80 = 79,399.36 : x
  2. Step 2: Convert to fraction form
    229,159.36/343,762.80 = 79,399.36/x
  3. Step 3: Cross multiply
    229,159.36x = 343,762.80 × 79,399.36
  4. Step 4: Simplify right side
    229,159.36x = 27,294,546,311.81
  5. Step 5: Solve for x
    x = 27,294,546,311.81/229,159.36
  6. Step 6: Final answer
    x = 119,107.27

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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.