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Finding the Fourth Proportional to 88,640.60, 133,047.30 and 44,317.40

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Solution

The fourth proportional to 88,640.60, 133,047.30 and 44,317.40 is: 66,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,640.60 : 133,047.30 = 44,317.40 : x
  2. Step 2: Convert to fraction form
    88,640.60/133,047.30 = 44,317.40/x
  3. Step 3: Cross multiply
    88,640.60x = 133,047.30 × 44,317.40
  4. Step 4: Simplify right side
    88,640.60x = 5,896,310,413.02
  5. Step 5: Solve for x
    x = 5,896,310,413.02/88,640.60
  6. Step 6: Final answer
    x = 66,519.30

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1.5x scale

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.