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Finding the Fourth Proportional to 123,795.73, 170,847.12 and 69,352.66

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Solution

The fourth proportional to 123,795.73, 170,847.12 and 69,352.66 is: 95,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,795.73 : 170,847.12 = 69,352.66 : x
  2. Step 2: Convert to fraction form
    123,795.73/170,847.12 = 69,352.66/x
  3. Step 3: Cross multiply
    123,795.73x = 170,847.12 × 69,352.66
  4. Step 4: Simplify right side
    123,795.73x = 11,848,702,225.34
  5. Step 5: Solve for x
    x = 11,848,702,225.34/123,795.73
  6. Step 6: Final answer
    x = 95,711.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.