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Finding the Fourth Proportional to 73,461.36, 110,192.16 and 18,057.36

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Solution

The fourth proportional to 73,461.36, 110,192.16 and 18,057.36 is: 27,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,461.36 : 110,192.16 = 18,057.36 : x
  2. Step 2: Convert to fraction form
    73,461.36/110,192.16 = 18,057.36/x
  3. Step 3: Cross multiply
    73,461.36x = 110,192.16 × 18,057.36
  4. Step 4: Simplify right side
    73,461.36x = 1,989,779,502.30
  5. Step 5: Solve for x
    x = 1,989,779,502.30/73,461.36
  6. Step 6: Final answer
    x = 27,086.07

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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.