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Finding the Fourth Proportional to 267,294.40, 401,049.60 and 117,563.20

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Solution

The fourth proportional to 267,294.40, 401,049.60 and 117,563.20 is: 176,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,294.40 : 401,049.60 = 117,563.20 : x
  2. Step 2: Convert to fraction form
    267,294.40/401,049.60 = 117,563.20/x
  3. Step 3: Cross multiply
    267,294.40x = 401,049.60 × 117,563.20
  4. Step 4: Simplify right side
    267,294.40x = 47,148,674,334.72
  5. Step 5: Solve for x
    x = 47,148,674,334.72/267,294.40
  6. Step 6: Final answer
    x = 176,392.30

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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.