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Finding the Fourth Proportional to 73,904.40, 110,856.60 and 50,284.80

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Solution

The fourth proportional to 73,904.40, 110,856.60 and 50,284.80 is: 75,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,904.40 : 110,856.60 = 50,284.80 : x
  2. Step 2: Convert to fraction form
    73,904.40/110,856.60 = 50,284.80/x
  3. Step 3: Cross multiply
    73,904.40x = 110,856.60 × 50,284.80
  4. Step 4: Simplify right side
    73,904.40x = 5,574,401,959.68
  5. Step 5: Solve for x
    x = 5,574,401,959.68/73,904.40
  6. Step 6: Final answer
    x = 75,427.20

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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.