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Finding the Fourth Proportional to 96,736.80, 145,056.60 and 44,086.80

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Solution

The fourth proportional to 96,736.80, 145,056.60 and 44,086.80 is: 66,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,736.80 : 145,056.60 = 44,086.80 : x
  2. Step 2: Convert to fraction form
    96,736.80/145,056.60 = 44,086.80/x
  3. Step 3: Cross multiply
    96,736.80x = 145,056.60 × 44,086.80
  4. Step 4: Simplify right side
    96,736.80x = 6,395,081,312.88
  5. Step 5: Solve for x
    x = 6,395,081,312.88/96,736.80
  6. Step 6: Final answer
    x = 66,108.05

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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.