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Finding the Fourth Proportional to 183,600.79, 275,142.57 and 145,993.93

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Solution

The fourth proportional to 183,600.79, 275,142.57 and 145,993.93 is: 218,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,600.79 : 275,142.57 = 145,993.93 : x
  2. Step 2: Convert to fraction form
    183,600.79/275,142.57 = 145,993.93/x
  3. Step 3: Cross multiply
    183,600.79x = 275,142.57 × 145,993.93
  4. Step 4: Simplify right side
    183,600.79x = 40,169,145,104.60
  5. Step 5: Solve for x
    x = 40,169,145,104.60/183,600.79
  6. Step 6: Final answer
    x = 218,785.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.