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Finding the Fourth Proportional to 188,524.01, 282,920.96 and 68,580.73

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Solution

The fourth proportional to 188,524.01, 282,920.96 and 68,580.73 is: 102,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,524.01 : 282,920.96 = 68,580.73 : x
  2. Step 2: Convert to fraction form
    188,524.01/282,920.96 = 68,580.73/x
  3. Step 3: Cross multiply
    188,524.01x = 282,920.96 × 68,580.73
  4. Step 4: Simplify right side
    188,524.01x = 19,402,925,433.25
  5. Step 5: Solve for x
    x = 19,402,925,433.25/188,524.01
  6. Step 6: Final answer
    x = 102,920.18

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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.