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Finding the Fourth Proportional to 201,616.48, 302,413.60 and 61,364.16

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Solution

The fourth proportional to 201,616.48, 302,413.60 and 61,364.16 is: 92,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,616.48 : 302,413.60 = 61,364.16 : x
  2. Step 2: Convert to fraction form
    201,616.48/302,413.60 = 61,364.16/x
  3. Step 3: Cross multiply
    201,616.48x = 302,413.60 × 61,364.16
  4. Step 4: Simplify right side
    201,616.48x = 18,557,356,536.58
  5. Step 5: Solve for x
    x = 18,557,356,536.58/201,616.48
  6. Step 6: Final answer
    x = 92,042.86

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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.