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Finding the Fourth Proportional to 267,440.94, 401,221.96 and 89,943.06

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Solution

The fourth proportional to 267,440.94, 401,221.96 and 89,943.06 is: 134,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,440.94 : 401,221.96 = 89,943.06 : x
  2. Step 2: Convert to fraction form
    267,440.94/401,221.96 = 89,943.06/x
  3. Step 3: Cross multiply
    267,440.94x = 401,221.96 × 89,943.06
  4. Step 4: Simplify right side
    267,440.94x = 36,087,130,821.60
  5. Step 5: Solve for x
    x = 36,087,130,821.60/267,440.94
  6. Step 6: Final answer
    x = 134,934.95

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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.