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Finding the Fourth Proportional to 219,999.69, 329,906.48 and 93,634.83

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Solution

The fourth proportional to 219,999.69, 329,906.48 and 93,634.83 is: 140,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,999.69 : 329,906.48 = 93,634.83 : x
  2. Step 2: Convert to fraction form
    219,999.69/329,906.48 = 93,634.83/x
  3. Step 3: Cross multiply
    219,999.69x = 329,906.48 × 93,634.83
  4. Step 4: Simplify right side
    219,999.69x = 30,890,736,702.52
  5. Step 5: Solve for x
    x = 30,890,736,702.52/219,999.69
  6. Step 6: Final answer
    x = 140,412.64

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1.5x scale

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.