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Finding the Fourth Proportional to 63,105.71, 94,664.05 and 18,127.32

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Solution

The fourth proportional to 63,105.71, 94,664.05 and 18,127.32 is: 27,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,105.71 : 94,664.05 = 18,127.32 : x
  2. Step 2: Convert to fraction form
    63,105.71/94,664.05 = 18,127.32/x
  3. Step 3: Cross multiply
    63,105.71x = 94,664.05 × 18,127.32
  4. Step 4: Simplify right side
    63,105.71x = 1,716,005,526.85
  5. Step 5: Solve for x
    x = 1,716,005,526.85/63,105.71
  6. Step 6: Final answer
    x = 27,192.56

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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.