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Finding the Fourth Proportional to 97,108.45, 133,978.38 and 58,883.33

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Solution

The fourth proportional to 97,108.45, 133,978.38 and 58,883.33 is: 81,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,108.45 : 133,978.38 = 58,883.33 : x
  2. Step 2: Convert to fraction form
    97,108.45/133,978.38 = 58,883.33/x
  3. Step 3: Cross multiply
    97,108.45x = 133,978.38 × 58,883.33
  4. Step 4: Simplify right side
    97,108.45x = 7,889,093,162.41
  5. Step 5: Solve for x
    x = 7,889,093,162.41/97,108.45
  6. Step 6: Final answer
    x = 81,240.03

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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.