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Finding the Fourth Proportional to 267,989.66, 369,830.36 and 147,136.04

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Solution

The fourth proportional to 267,989.66, 369,830.36 and 147,136.04 is: 203,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,989.66 : 369,830.36 = 147,136.04 : x
  2. Step 2: Convert to fraction form
    267,989.66/369,830.36 = 147,136.04/x
  3. Step 3: Cross multiply
    267,989.66x = 369,830.36 × 147,136.04
  4. Step 4: Simplify right side
    267,989.66x = 54,415,375,800.38
  5. Step 5: Solve for x
    x = 54,415,375,800.38/267,989.66
  6. Step 6: Final answer
    x = 203,050.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.