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Finding the Fourth Proportional to 91,802.88, 126,694.44 and 50,969.16

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Solution

The fourth proportional to 91,802.88, 126,694.44 and 50,969.16 is: 70,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,802.88 : 126,694.44 = 50,969.16 : x
  2. Step 2: Convert to fraction form
    91,802.88/126,694.44 = 50,969.16/x
  3. Step 3: Cross multiply
    91,802.88x = 126,694.44 × 50,969.16
  4. Step 4: Simplify right side
    91,802.88x = 6,457,509,183.47
  5. Step 5: Solve for x
    x = 6,457,509,183.47/91,802.88
  6. Step 6: Final answer
    x = 70,341.03

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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.