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Finding the Fourth Proportional to 104,959.96, 157,486.41 and 55,028.11

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Solution

The fourth proportional to 104,959.96, 157,486.41 and 55,028.11 is: 82,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,959.96 : 157,486.41 = 55,028.11 : x
  2. Step 2: Convert to fraction form
    104,959.96/157,486.41 = 55,028.11/x
  3. Step 3: Cross multiply
    104,959.96x = 157,486.41 × 55,028.11
  4. Step 4: Simplify right side
    104,959.96x = 8,666,179,492.99
  5. Step 5: Solve for x
    x = 8,666,179,492.99/104,959.96
  6. Step 6: Final answer
    x = 82,566.53

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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.