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Finding the Fourth Proportional to 133,197.63, 183,812.72 and 73,581.63

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Solution

The fourth proportional to 133,197.63, 183,812.72 and 73,581.63 is: 101,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,197.63 : 183,812.72 = 73,581.63 : x
  2. Step 2: Convert to fraction form
    133,197.63/183,812.72 = 73,581.63/x
  3. Step 3: Cross multiply
    133,197.63x = 183,812.72 × 73,581.63
  4. Step 4: Simplify right side
    133,197.63x = 13,525,239,552.33
  5. Step 5: Solve for x
    x = 13,525,239,552.33/133,197.63
  6. Step 6: Final answer
    x = 101,542.64

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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.