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Finding the Fourth Proportional to 267,168, 400,402.08 and 148,895.04

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Solution

The fourth proportional to 267,168, 400,402.08 and 148,895.04 is: 223,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,168 : 400,402.08 = 148,895.04 : x
  2. Step 2: Convert to fraction form
    267,168/400,402.08 = 148,895.04/x
  3. Step 3: Cross multiply
    267,168x = 400,402.08 × 148,895.04
  4. Step 4: Simplify right side
    267,168x = 59,617,883,717.68
  5. Step 5: Solve for x
    x = 59,617,883,717.68/267,168
  6. Step 6: Final answer
    x = 223,147.55

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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.