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Finding the Fourth Proportional to 71,608.94, 98,804.43 and 43,314.02

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Solution

The fourth proportional to 71,608.94, 98,804.43 and 43,314.02 is: 59,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,608.94 : 98,804.43 = 43,314.02 : x
  2. Step 2: Convert to fraction form
    71,608.94/98,804.43 = 43,314.02/x
  3. Step 3: Cross multiply
    71,608.94x = 98,804.43 × 43,314.02
  4. Step 4: Simplify right side
    71,608.94x = 4,279,617,057.11
  5. Step 5: Solve for x
    x = 4,279,617,057.11/71,608.94
  6. Step 6: Final answer
    x = 59,763.73

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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.