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Finding the Fourth Proportional to 267,643, 401,620.02 and 119,899

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Solution

The fourth proportional to 267,643, 401,620.02 and 119,899 is: 179,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,643 : 401,620.02 = 119,899 : x
  2. Step 2: Convert to fraction form
    267,643/401,620.02 = 119,899/x
  3. Step 3: Cross multiply
    267,643x = 401,620.02 × 119,899
  4. Step 4: Simplify right side
    267,643x = 48,153,838,777.98
  5. Step 5: Solve for x
    x = 48,153,838,777.98/267,643
  6. Step 6: Final answer
    x = 179,918.17

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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.