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Finding the Fourth Proportional to 201,366.43, 302,048.25 and 68,340.34

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Solution

The fourth proportional to 201,366.43, 302,048.25 and 68,340.34 is: 102,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,366.43 : 302,048.25 = 68,340.34 : x
  2. Step 2: Convert to fraction form
    201,366.43/302,048.25 = 68,340.34/x
  3. Step 3: Cross multiply
    201,366.43x = 302,048.25 × 68,340.34
  4. Step 4: Simplify right side
    201,366.43x = 20,642,080,101.41
  5. Step 5: Solve for x
    x = 20,642,080,101.41/201,366.43
  6. Step 6: Final answer
    x = 102,510.04

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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.