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Finding the Fourth Proportional to 267,653.02, 369,361.13 and 148,421.02

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Solution

The fourth proportional to 267,653.02, 369,361.13 and 148,421.02 is: 204,820.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,653.02 : 369,361.13 = 148,421.02 : x
  2. Step 2: Convert to fraction form
    267,653.02/369,361.13 = 148,421.02/x
  3. Step 3: Cross multiply
    267,653.02x = 369,361.13 × 148,421.02
  4. Step 4: Simplify right side
    267,653.02x = 54,820,955,662.95
  5. Step 5: Solve for x
    x = 54,820,955,662.95/267,653.02
  6. Step 6: Final answer
    x = 204,820.99

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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.