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Finding the Fourth Proportional to 219,231.36, 328,834.49 and 59,304.96

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Solution

The fourth proportional to 219,231.36, 328,834.49 and 59,304.96 is: 88,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,231.36 : 328,834.49 = 59,304.96 : x
  2. Step 2: Convert to fraction form
    219,231.36/328,834.49 = 59,304.96/x
  3. Step 3: Cross multiply
    219,231.36x = 328,834.49 × 59,304.96
  4. Step 4: Simplify right side
    219,231.36x = 19,501,515,979.55
  5. Step 5: Solve for x
    x = 19,501,515,979.55/219,231.36
  6. Step 6: Final answer
    x = 88,954.04

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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.