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Finding the Fourth Proportional to 183,608.13, 275,411.70 and 103,609.74

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Solution

The fourth proportional to 183,608.13, 275,411.70 and 103,609.74 is: 155,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,608.13 : 275,411.70 = 103,609.74 : x
  2. Step 2: Convert to fraction form
    183,608.13/275,411.70 = 103,609.74/x
  3. Step 3: Cross multiply
    183,608.13x = 275,411.70 × 103,609.74
  4. Step 4: Simplify right side
    183,608.13x = 28,535,334,629.96
  5. Step 5: Solve for x
    x = 28,535,334,629.96/183,608.13
  6. Step 6: Final answer
    x = 155,414.33

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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.