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Finding the Fourth Proportional to 100,603.61, 150,811.61 and 33,997.16

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Solution

The fourth proportional to 100,603.61, 150,811.61 and 33,997.16 is: 50,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,603.61 : 150,811.61 = 33,997.16 : x
  2. Step 2: Convert to fraction form
    100,603.61/150,811.61 = 33,997.16/x
  3. Step 3: Cross multiply
    100,603.61x = 150,811.61 × 33,997.16
  4. Step 4: Simplify right side
    100,603.61x = 5,127,165,510.98
  5. Step 5: Solve for x
    x = 5,127,165,510.98/100,603.61
  6. Step 6: Final answer
    x = 50,964.03

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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.