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Finding the Fourth Proportional to 188,363.70, 282,456.45 and 109,502.10

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Solution

The fourth proportional to 188,363.70, 282,456.45 and 109,502.10 is: 164,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,363.70 : 282,456.45 = 109,502.10 : x
  2. Step 2: Convert to fraction form
    188,363.70/282,456.45 = 109,502.10/x
  3. Step 3: Cross multiply
    188,363.70x = 282,456.45 × 109,502.10
  4. Step 4: Simplify right side
    188,363.70x = 30,929,574,433.55
  5. Step 5: Solve for x
    x = 30,929,574,433.55/188,363.70
  6. Step 6: Final answer
    x = 164,201.35

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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.