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Finding the Fourth Proportional to 69,813, 96,341.22 and 41,518.08

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Solution

The fourth proportional to 69,813, 96,341.22 and 41,518.08 is: 57,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,813 : 96,341.22 = 41,518.08 : x
  2. Step 2: Convert to fraction form
    69,813/96,341.22 = 41,518.08/x
  3. Step 3: Cross multiply
    69,813x = 96,341.22 × 41,518.08
  4. Step 4: Simplify right side
    69,813x = 3,999,902,479.26
  5. Step 5: Solve for x
    x = 3,999,902,479.26/69,813
  6. Step 6: Final answer
    x = 57,294.52

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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.