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Finding the Fourth Proportional to 123,233.40, 170,061.73 and 69,518.25

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Solution

The fourth proportional to 123,233.40, 170,061.73 and 69,518.25 is: 95,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,233.40 : 170,061.73 = 69,518.25 : x
  2. Step 2: Convert to fraction form
    123,233.40/170,061.73 = 69,518.25/x
  3. Step 3: Cross multiply
    123,233.40x = 170,061.73 × 69,518.25
  4. Step 4: Simplify right side
    123,233.40x = 11,822,393,687.78
  5. Step 5: Solve for x
    x = 11,822,393,687.78/123,233.40
  6. Step 6: Final answer
    x = 95,934.98

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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.