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Finding the Fourth Proportional to 267,354.38, 368,924.51 and 154,155.26

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Solution

The fourth proportional to 267,354.38, 368,924.51 and 154,155.26 is: 212,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,354.38 : 368,924.51 = 154,155.26 : x
  2. Step 2: Convert to fraction form
    267,354.38/368,924.51 = 154,155.26/x
  3. Step 3: Cross multiply
    267,354.38x = 368,924.51 × 154,155.26
  4. Step 4: Simplify right side
    267,354.38x = 56,871,653,759.42
  5. Step 5: Solve for x
    x = 56,871,653,759.42/267,354.38
  6. Step 6: Final answer
    x = 212,720.11

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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.