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Finding the Fourth Proportional to 101,060.40, 139,469.01 and 58,039.41

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Solution

The fourth proportional to 101,060.40, 139,469.01 and 58,039.41 is: 80,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,060.40 : 139,469.01 = 58,039.41 : x
  2. Step 2: Convert to fraction form
    101,060.40/139,469.01 = 58,039.41/x
  3. Step 3: Cross multiply
    101,060.40x = 139,469.01 × 58,039.41
  4. Step 4: Simplify right side
    101,060.40x = 8,094,699,053.68
  5. Step 5: Solve for x
    x = 8,094,699,053.68/101,060.40
  6. Step 6: Final answer
    x = 80,097.64

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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.