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Finding the Fourth Proportional to 201,644.04, 302,511.96 and 61,413.60

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Solution

The fourth proportional to 201,644.04, 302,511.96 and 61,413.60 is: 92,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,644.04 : 302,511.96 = 61,413.60 : x
  2. Step 2: Convert to fraction form
    201,644.04/302,511.96 = 61,413.60/x
  3. Step 3: Cross multiply
    201,644.04x = 302,511.96 × 61,413.60
  4. Step 4: Simplify right side
    201,644.04x = 18,578,348,506.66
  5. Step 5: Solve for x
    x = 18,578,348,506.66/201,644.04
  6. Step 6: Final answer
    x = 92,134.38

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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.