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Finding the Fourth Proportional to 229,007.59, 343,542.63 and 79,207.72

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Solution

The fourth proportional to 229,007.59, 343,542.63 and 79,207.72 is: 118,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,007.59 : 343,542.63 = 79,207.72 : x
  2. Step 2: Convert to fraction form
    229,007.59/343,542.63 = 79,207.72/x
  3. Step 3: Cross multiply
    229,007.59x = 343,542.63 × 79,207.72
  4. Step 4: Simplify right side
    229,007.59x = 27,211,228,445.10
  5. Step 5: Solve for x
    x = 27,211,228,445.10/229,007.59
  6. Step 6: Final answer
    x = 118,822.39

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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.