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Finding the Fourth Proportional to 219,395.57, 329,028.15 and 93,033.95

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Solution

The fourth proportional to 219,395.57, 329,028.15 and 93,033.95 is: 139,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,395.57 : 329,028.15 = 93,033.95 : x
  2. Step 2: Convert to fraction form
    219,395.57/329,028.15 = 93,033.95/x
  3. Step 3: Cross multiply
    219,395.57x = 329,028.15 × 93,033.95
  4. Step 4: Simplify right side
    219,395.57x = 30,610,788,455.69
  5. Step 5: Solve for x
    x = 30,610,788,455.69/219,395.57
  6. Step 6: Final answer
    x = 139,523.28

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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.