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Finding the Fourth Proportional to 104,776.84, 157,161 and 25,889.08

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Solution

The fourth proportional to 104,776.84, 157,161 and 25,889.08 is: 38,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,776.84 : 157,161 = 25,889.08 : x
  2. Step 2: Convert to fraction form
    104,776.84/157,161 = 25,889.08/x
  3. Step 3: Cross multiply
    104,776.84x = 157,161 × 25,889.08
  4. Step 4: Simplify right side
    104,776.84x = 4,068,753,701.88
  5. Step 5: Solve for x
    x = 4,068,753,701.88/104,776.84
  6. Step 6: Final answer
    x = 38,832.57

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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.