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Finding the Fourth Proportional to 133,955.43, 184,860.75 and 73,531.72

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Solution

The fourth proportional to 133,955.43, 184,860.75 and 73,531.72 is: 101,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,955.43 : 184,860.75 = 73,531.72 : x
  2. Step 2: Convert to fraction form
    133,955.43/184,860.75 = 73,531.72/x
  3. Step 3: Cross multiply
    133,955.43x = 184,860.75 × 73,531.72
  4. Step 4: Simplify right side
    133,955.43x = 13,593,128,907.99
  5. Step 5: Solve for x
    x = 13,593,128,907.99/133,955.43
  6. Step 6: Final answer
    x = 101,475.01

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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.