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Finding the Fourth Proportional to 159,969.51, 220,828.38 and 95,461.11

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Solution

The fourth proportional to 159,969.51, 220,828.38 and 95,461.11 is: 131,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,969.51 : 220,828.38 = 95,461.11 : x
  2. Step 2: Convert to fraction form
    159,969.51/220,828.38 = 95,461.11/x
  3. Step 3: Cross multiply
    159,969.51x = 220,828.38 × 95,461.11
  4. Step 4: Simplify right side
    159,969.51x = 21,080,522,274.30
  5. Step 5: Solve for x
    x = 21,080,522,274.30/159,969.51
  6. Step 6: Final answer
    x = 131,778.38

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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.