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Finding the Fourth Proportional to 114,792.80, 158,413.60 and 63,805.28

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Solution

The fourth proportional to 114,792.80, 158,413.60 and 63,805.28 is: 88,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,792.80 : 158,413.60 = 63,805.28 : x
  2. Step 2: Convert to fraction form
    114,792.80/158,413.60 = 63,805.28/x
  3. Step 3: Cross multiply
    114,792.80x = 158,413.60 × 63,805.28
  4. Step 4: Simplify right side
    114,792.80x = 10,107,624,103.81
  5. Step 5: Solve for x
    x = 10,107,624,103.81/114,792.80
  6. Step 6: Final answer
    x = 88,051.03

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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.