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Finding the Fourth Proportional to 219,332.52, 329,010.48 and 69,584.79

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Solution

The fourth proportional to 219,332.52, 329,010.48 and 69,584.79 is: 104,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,332.52 : 329,010.48 = 69,584.79 : x
  2. Step 2: Convert to fraction form
    219,332.52/329,010.48 = 69,584.79/x
  3. Step 3: Cross multiply
    219,332.52x = 329,010.48 × 69,584.79
  4. Step 4: Simplify right side
    219,332.52x = 22,894,125,158.60
  5. Step 5: Solve for x
    x = 22,894,125,158.60/219,332.52
  6. Step 6: Final answer
    x = 104,380.90

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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.