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Finding the Fourth Proportional to 219,495.82, 329,431.22 and 156,470.12

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Solution

The fourth proportional to 219,495.82, 329,431.22 and 156,470.12 is: 234,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,495.82 : 329,431.22 = 156,470.12 : x
  2. Step 2: Convert to fraction form
    219,495.82/329,431.22 = 156,470.12/x
  3. Step 3: Cross multiply
    219,495.82x = 329,431.22 × 156,470.12
  4. Step 4: Simplify right side
    219,495.82x = 51,546,142,566.37
  5. Step 5: Solve for x
    x = 51,546,142,566.37/219,495.82
  6. Step 6: Final answer
    x = 234,838.84

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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.