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Finding the Fourth Proportional to 219,498.57, 329,240.49 and 93,057.48

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Solution

The fourth proportional to 219,498.57, 329,240.49 and 93,057.48 is: 139,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,498.57 : 329,240.49 = 93,057.48 : x
  2. Step 2: Convert to fraction form
    219,498.57/329,240.49 = 93,057.48/x
  3. Step 3: Cross multiply
    219,498.57x = 329,240.49 × 93,057.48
  4. Step 4: Simplify right side
    219,498.57x = 30,638,290,313.37
  5. Step 5: Solve for x
    x = 30,638,290,313.37/219,498.57
  6. Step 6: Final answer
    x = 139,583.10

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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.