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Finding the Fourth Proportional to 78,525.69, 108,368.31 and 44,998.17

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Solution

The fourth proportional to 78,525.69, 108,368.31 and 44,998.17 is: 62,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,525.69 : 108,368.31 = 44,998.17 : x
  2. Step 2: Convert to fraction form
    78,525.69/108,368.31 = 44,998.17/x
  3. Step 3: Cross multiply
    78,525.69x = 108,368.31 × 44,998.17
  4. Step 4: Simplify right side
    78,525.69x = 4,876,375,635.99
  5. Step 5: Solve for x
    x = 4,876,375,635.99/78,525.69
  6. Step 6: Final answer
    x = 62,099.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.