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Finding the Fourth Proportional to 301,079.60, 451,619.40 and 123,713.90

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Solution

The fourth proportional to 301,079.60, 451,619.40 and 123,713.90 is: 185,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,079.60 : 451,619.40 = 123,713.90 : x
  2. Step 2: Convert to fraction form
    301,079.60/451,619.40 = 123,713.90/x
  3. Step 3: Cross multiply
    301,079.60x = 451,619.40 × 123,713.90
  4. Step 4: Simplify right side
    301,079.60x = 55,871,597,289.66
  5. Step 5: Solve for x
    x = 55,871,597,289.66/301,079.60
  6. Step 6: Final answer
    x = 185,570.85

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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.