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Finding the Fourth Proportional to 219,545.37, 329,284.17 and 69,766.11

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Solution

The fourth proportional to 219,545.37, 329,284.17 and 69,766.11 is: 104,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,545.37 : 329,284.17 = 69,766.11 : x
  2. Step 2: Convert to fraction form
    219,545.37/329,284.17 = 69,766.11/x
  3. Step 3: Cross multiply
    219,545.37x = 329,284.17 × 69,766.11
  4. Step 4: Simplify right side
    219,545.37x = 22,972,875,625.48
  5. Step 5: Solve for x
    x = 22,972,875,625.48/219,545.37
  6. Step 6: Final answer
    x = 104,638.40

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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.