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Finding the Fourth Proportional to 110,997.77, 166,478.09 and 39,905.91

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Solution

The fourth proportional to 110,997.77, 166,478.09 and 39,905.91 is: 59,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,997.77 : 166,478.09 = 39,905.91 : x
  2. Step 2: Convert to fraction form
    110,997.77/166,478.09 = 39,905.91/x
  3. Step 3: Cross multiply
    110,997.77x = 166,478.09 × 39,905.91
  4. Step 4: Simplify right side
    110,997.77x = 6,643,459,476.98
  5. Step 5: Solve for x
    x = 6,643,459,476.98/110,997.77
  6. Step 6: Final answer
    x = 59,852.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.