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Finding the Fourth Proportional to 201,766.19, 302,501.66 and 68,610.69

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Solution

The fourth proportional to 201,766.19, 302,501.66 and 68,610.69 is: 102,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,766.19 : 302,501.66 = 68,610.69 : x
  2. Step 2: Convert to fraction form
    201,766.19/302,501.66 = 68,610.69/x
  3. Step 3: Cross multiply
    201,766.19x = 302,501.66 × 68,610.69
  4. Step 4: Simplify right side
    201,766.19x = 20,754,847,275.69
  5. Step 5: Solve for x
    x = 20,754,847,275.69/201,766.19
  6. Step 6: Final answer
    x = 102,865.84

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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.