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Finding the Fourth Proportional to 146,456.88, 219,534.48 and 57,674.40

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Solution

The fourth proportional to 146,456.88, 219,534.48 and 57,674.40 is: 86,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,456.88 : 219,534.48 = 57,674.40 : x
  2. Step 2: Convert to fraction form
    146,456.88/219,534.48 = 57,674.40/x
  3. Step 3: Cross multiply
    146,456.88x = 219,534.48 × 57,674.40
  4. Step 4: Simplify right side
    146,456.88x = 12,661,519,413.31
  5. Step 5: Solve for x
    x = 12,661,519,413.31/146,456.88
  6. Step 6: Final answer
    x = 86,452.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.