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Finding the Fourth Proportional to 133,182, 183,791.16 and 73,566

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Solution

The fourth proportional to 133,182, 183,791.16 and 73,566 is: 101,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,182 : 183,791.16 = 73,566 : x
  2. Step 2: Convert to fraction form
    133,182/183,791.16 = 73,566/x
  3. Step 3: Cross multiply
    133,182x = 183,791.16 × 73,566
  4. Step 4: Simplify right side
    133,182x = 13,520,780,476.56
  5. Step 5: Solve for x
    x = 13,520,780,476.56/133,182
  6. Step 6: Final answer
    x = 101,521.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.