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Finding the Fourth Proportional to 219,855.16, 329,745.48 and 62,046.64

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Solution

The fourth proportional to 219,855.16, 329,745.48 and 62,046.64 is: 93,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,855.16 : 329,745.48 = 62,046.64 : x
  2. Step 2: Convert to fraction form
    219,855.16/329,745.48 = 62,046.64/x
  3. Step 3: Cross multiply
    219,855.16x = 329,745.48 × 62,046.64
  4. Step 4: Simplify right side
    219,855.16x = 20,459,599,089.19
  5. Step 5: Solve for x
    x = 20,459,599,089.19/219,855.16
  6. Step 6: Final answer
    x = 93,059.44

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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.