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Finding the Fourth Proportional to 116,539.71, 160,837.25 and 68,156.44

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Solution

The fourth proportional to 116,539.71, 160,837.25 and 68,156.44 is: 94,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,539.71 : 160,837.25 = 68,156.44 : x
  2. Step 2: Convert to fraction form
    116,539.71/160,837.25 = 68,156.44/x
  3. Step 3: Cross multiply
    116,539.71x = 160,837.25 × 68,156.44
  4. Step 4: Simplify right side
    116,539.71x = 10,962,093,636.51
  5. Step 5: Solve for x
    x = 10,962,093,636.51/116,539.71
  6. Step 6: Final answer
    x = 94,063.16

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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.