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Finding the Fourth Proportional to 79,598.68, 109,847.94 and 43,790.60

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Solution

The fourth proportional to 79,598.68, 109,847.94 and 43,790.60 is: 60,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,598.68 : 109,847.94 = 43,790.60 : x
  2. Step 2: Convert to fraction form
    79,598.68/109,847.94 = 43,790.60/x
  3. Step 3: Cross multiply
    79,598.68x = 109,847.94 × 43,790.60
  4. Step 4: Simplify right side
    79,598.68x = 4,810,307,201.36
  5. Step 5: Solve for x
    x = 4,810,307,201.36/79,598.68
  6. Step 6: Final answer
    x = 60,432.00

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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.