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Finding the Fourth Proportional to 110,999.80, 166,171.65 and 73,602.10

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Solution

The fourth proportional to 110,999.80, 166,171.65 and 73,602.10 is: 110,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,999.80 : 166,171.65 = 73,602.10 : x
  2. Step 2: Convert to fraction form
    110,999.80/166,171.65 = 73,602.10/x
  3. Step 3: Cross multiply
    110,999.80x = 166,171.65 × 73,602.10
  4. Step 4: Simplify right side
    110,999.80x = 12,230,582,400.47
  5. Step 5: Solve for x
    x = 12,230,582,400.47/110,999.80
  6. Step 6: Final answer
    x = 110,185.63

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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.