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Finding the Fourth Proportional to 267,384.40, 401,076.60 and 89,832.40

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Solution

The fourth proportional to 267,384.40, 401,076.60 and 89,832.40 is: 134,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,384.40 : 401,076.60 = 89,832.40 : x
  2. Step 2: Convert to fraction form
    267,384.40/401,076.60 = 89,832.40/x
  3. Step 3: Cross multiply
    267,384.40x = 401,076.60 × 89,832.40
  4. Step 4: Simplify right side
    267,384.40x = 36,029,673,561.84
  5. Step 5: Solve for x
    x = 36,029,673,561.84/267,384.40
  6. Step 6: Final answer
    x = 134,748.60

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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.