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Finding the Fourth Proportional to 133,164.77, 183,766.44 and 72,735.43

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Solution

The fourth proportional to 133,164.77, 183,766.44 and 72,735.43 is: 100,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,164.77 : 183,766.44 = 72,735.43 : x
  2. Step 2: Convert to fraction form
    133,164.77/183,766.44 = 72,735.43/x
  3. Step 3: Cross multiply
    133,164.77x = 183,766.44 × 72,735.43
  4. Step 4: Simplify right side
    133,164.77x = 13,366,331,032.97
  5. Step 5: Solve for x
    x = 13,366,331,032.97/133,164.77
  6. Step 6: Final answer
    x = 100,374.38

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1.5x scale

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.