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Finding the Fourth Proportional to 73,305.28, 109,957.11 and 17,901.28

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Solution

The fourth proportional to 73,305.28, 109,957.11 and 17,901.28 is: 26,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,305.28 : 109,957.11 = 17,901.28 : x
  2. Step 2: Convert to fraction form
    73,305.28/109,957.11 = 17,901.28/x
  3. Step 3: Cross multiply
    73,305.28x = 109,957.11 × 17,901.28
  4. Step 4: Simplify right side
    73,305.28x = 1,968,373,014.10
  5. Step 5: Solve for x
    x = 1,968,373,014.10/73,305.28
  6. Step 6: Final answer
    x = 26,851.72

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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.