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Finding the Fourth Proportional to 133,080.76, 183,652.14 and 73,464.76

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Solution

The fourth proportional to 133,080.76, 183,652.14 and 73,464.76 is: 101,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,080.76 : 183,652.14 = 73,464.76 : x
  2. Step 2: Convert to fraction form
    133,080.76/183,652.14 = 73,464.76/x
  3. Step 3: Cross multiply
    133,080.76x = 183,652.14 × 73,464.76
  4. Step 4: Simplify right side
    133,080.76x = 13,491,960,388.59
  5. Step 5: Solve for x
    x = 13,491,960,388.59/133,080.76
  6. Step 6: Final answer
    x = 101,381.75

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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.