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Finding the Fourth Proportional to 133,004.52, 183,550.67 and 72,578.48

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Solution

The fourth proportional to 133,004.52, 183,550.67 and 72,578.48 is: 100,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,004.52 : 183,550.67 = 72,578.48 : x
  2. Step 2: Convert to fraction form
    133,004.52/183,550.67 = 72,578.48/x
  3. Step 3: Cross multiply
    133,004.52x = 183,550.67 × 72,578.48
  4. Step 4: Simplify right side
    133,004.52x = 13,321,828,451.45
  5. Step 5: Solve for x
    x = 13,321,828,451.45/133,004.52
  6. Step 6: Final answer
    x = 100,160.72

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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.