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Finding the Fourth Proportional to 98,735.92, 136,255.43 and 53,413.80

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Solution

The fourth proportional to 98,735.92, 136,255.43 and 53,413.80 is: 73,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,735.92 : 136,255.43 = 53,413.80 : x
  2. Step 2: Convert to fraction form
    98,735.92/136,255.43 = 53,413.80/x
  3. Step 3: Cross multiply
    98,735.92x = 136,255.43 × 53,413.80
  4. Step 4: Simplify right side
    98,735.92x = 7,277,920,286.93
  5. Step 5: Solve for x
    x = 7,277,920,286.93/98,735.92
  6. Step 6: Final answer
    x = 73,710.97

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1.5x scale

Why These Related Problems?

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