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Finding the Fourth Proportional to 134,057.66, 200,780.28 and 63,986.18

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Solution

The fourth proportional to 134,057.66, 200,780.28 and 63,986.18 is: 95,833.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,057.66 : 200,780.28 = 63,986.18 : x
  2. Step 2: Convert to fraction form
    134,057.66/200,780.28 = 63,986.18/x
  3. Step 3: Cross multiply
    134,057.66x = 200,780.28 × 63,986.18
  4. Step 4: Simplify right side
    134,057.66x = 12,847,163,136.53
  5. Step 5: Solve for x
    x = 12,847,163,136.53/134,057.66
  6. Step 6: Final answer
    x = 95,833.11

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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.