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Finding the Fourth Proportional to 106,759.89, 147,322.89 and 59,010.39

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Solution

The fourth proportional to 106,759.89, 147,322.89 and 59,010.39 is: 81,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,759.89 : 147,322.89 = 59,010.39 : x
  2. Step 2: Convert to fraction form
    106,759.89/147,322.89 = 59,010.39/x
  3. Step 3: Cross multiply
    106,759.89x = 147,322.89 × 59,010.39
  4. Step 4: Simplify right side
    106,759.89x = 8,693,581,194.83
  5. Step 5: Solve for x
    x = 8,693,581,194.83/106,759.89
  6. Step 6: Final answer
    x = 81,431.16

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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.