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Finding the Fourth Proportional to 267,461.60, 401,095.20 and 89,974.40

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Solution

The fourth proportional to 267,461.60, 401,095.20 and 89,974.40 is: 134,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,461.60 : 401,095.20 = 89,974.40 : x
  2. Step 2: Convert to fraction form
    267,461.60/401,095.20 = 89,974.40/x
  3. Step 3: Cross multiply
    267,461.60x = 401,095.20 × 89,974.40
  4. Step 4: Simplify right side
    267,461.60x = 36,088,299,962.88
  5. Step 5: Solve for x
    x = 36,088,299,962.88/267,461.60
  6. Step 6: Final answer
    x = 134,928.90

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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.