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Finding the Fourth Proportional to 215,232.73, 322,799.78 and 63,390.53

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Solution

The fourth proportional to 215,232.73, 322,799.78 and 63,390.53 is: 95,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,232.73 : 322,799.78 = 63,390.53 : x
  2. Step 2: Convert to fraction form
    215,232.73/322,799.78 = 63,390.53/x
  3. Step 3: Cross multiply
    215,232.73x = 322,799.78 × 63,390.53
  4. Step 4: Simplify right side
    215,232.73x = 20,462,450,103.56
  5. Step 5: Solve for x
    x = 20,462,450,103.56/215,232.73
  6. Step 6: Final answer
    x = 95,071.28

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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.