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Finding the Fourth Proportional to 183,699.73, 275,419.18 and 71,285.10

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Solution

The fourth proportional to 183,699.73, 275,419.18 and 71,285.10 is: 106,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,699.73 : 275,419.18 = 71,285.10 : x
  2. Step 2: Convert to fraction form
    183,699.73/275,419.18 = 71,285.10/x
  3. Step 3: Cross multiply
    183,699.73x = 275,419.18 × 71,285.10
  4. Step 4: Simplify right side
    183,699.73x = 19,633,283,788.22
  5. Step 5: Solve for x
    x = 19,633,283,788.22/183,699.73
  6. Step 6: Final answer
    x = 106,877.04

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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.