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Finding the Fourth Proportional to 267,043.52, 400,436.07 and 98,643.14

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Solution

The fourth proportional to 267,043.52, 400,436.07 and 98,643.14 is: 147,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,043.52 : 400,436.07 = 98,643.14 : x
  2. Step 2: Convert to fraction form
    267,043.52/400,436.07 = 98,643.14/x
  3. Step 3: Cross multiply
    267,043.52x = 400,436.07 × 98,643.14
  4. Step 4: Simplify right side
    267,043.52x = 39,500,269,311.88
  5. Step 5: Solve for x
    x = 39,500,269,311.88/267,043.52
  6. Step 6: Final answer
    x = 147,916.98

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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.