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Finding the Fourth Proportional to 139,524.80, 209,277.60 and 44,753.60

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Solution

The fourth proportional to 139,524.80, 209,277.60 and 44,753.60 is: 67,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,524.80 : 209,277.60 = 44,753.60 : x
  2. Step 2: Convert to fraction form
    139,524.80/209,277.60 = 44,753.60/x
  3. Step 3: Cross multiply
    139,524.80x = 209,277.60 × 44,753.60
  4. Step 4: Simplify right side
    139,524.80x = 9,365,925,999.36
  5. Step 5: Solve for x
    x = 9,365,925,999.36/139,524.80
  6. Step 6: Final answer
    x = 67,127.32

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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.