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Finding the Fourth Proportional to 73,400.60, 110,100.90 and 48,517.40

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Solution

The fourth proportional to 73,400.60, 110,100.90 and 48,517.40 is: 72,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,400.60 : 110,100.90 = 48,517.40 : x
  2. Step 2: Convert to fraction form
    73,400.60/110,100.90 = 48,517.40/x
  3. Step 3: Cross multiply
    73,400.60x = 110,100.90 × 48,517.40
  4. Step 4: Simplify right side
    73,400.60x = 5,341,809,405.66
  5. Step 5: Solve for x
    x = 5,341,809,405.66/73,400.60
  6. Step 6: Final answer
    x = 72,776.10

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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.