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Finding the Fourth Proportional to 183,711.54, 275,584.64 and 71,400.35

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Solution

The fourth proportional to 183,711.54, 275,584.64 and 71,400.35 is: 107,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,711.54 : 275,584.64 = 71,400.35 : x
  2. Step 2: Convert to fraction form
    183,711.54/275,584.64 = 71,400.35/x
  3. Step 3: Cross multiply
    183,711.54x = 275,584.64 × 71,400.35
  4. Step 4: Simplify right side
    183,711.54x = 19,676,840,484.21
  5. Step 5: Solve for x
    x = 19,676,840,484.21/183,711.54
  6. Step 6: Final answer
    x = 107,107.27

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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.