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Finding the Fourth Proportional to 123,294.52, 170,146.38 and 69,590.80

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Solution

The fourth proportional to 123,294.52, 170,146.38 and 69,590.80 is: 96,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,294.52 : 170,146.38 = 69,590.80 : x
  2. Step 2: Convert to fraction form
    123,294.52/170,146.38 = 69,590.80/x
  3. Step 3: Cross multiply
    123,294.52x = 170,146.38 × 69,590.80
  4. Step 4: Simplify right side
    123,294.52x = 11,840,622,701.30
  5. Step 5: Solve for x
    x = 11,840,622,701.30/123,294.52
  6. Step 6: Final answer
    x = 96,035.27

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