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Finding the Fourth Proportional to 101,119.84, 139,553.91 and 58,675.64

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Solution

The fourth proportional to 101,119.84, 139,553.91 and 58,675.64 is: 80,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,119.84 : 139,553.91 = 58,675.64 : x
  2. Step 2: Convert to fraction form
    101,119.84/139,553.91 = 58,675.64/x
  3. Step 3: Cross multiply
    101,119.84x = 139,553.91 × 58,675.64
  4. Step 4: Simplify right side
    101,119.84x = 8,188,415,236.00
  5. Step 5: Solve for x
    x = 8,188,415,236.00/101,119.84
  6. Step 6: Final answer
    x = 80,977.33

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1.5x scale

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.