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Finding the Fourth Proportional to 279,329.94, 419,163.03 and 101,852.10

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Solution

The fourth proportional to 279,329.94, 419,163.03 and 101,852.10 is: 152,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,329.94 : 419,163.03 = 101,852.10 : x
  2. Step 2: Convert to fraction form
    279,329.94/419,163.03 = 101,852.10/x
  3. Step 3: Cross multiply
    279,329.94x = 419,163.03 × 101,852.10
  4. Step 4: Simplify right side
    279,329.94x = 42,692,634,847.86
  5. Step 5: Solve for x
    x = 42,692,634,847.86/279,329.94
  6. Step 6: Final answer
    x = 152,839.45

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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.