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Finding the Fourth Proportional to 235,484.28, 353,247.21 and 75,576.51

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Solution

The fourth proportional to 235,484.28, 353,247.21 and 75,576.51 is: 113,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,484.28 : 353,247.21 = 75,576.51 : x
  2. Step 2: Convert to fraction form
    235,484.28/353,247.21 = 75,576.51/x
  3. Step 3: Cross multiply
    235,484.28x = 353,247.21 × 75,576.51
  4. Step 4: Simplify right side
    235,484.28x = 26,697,191,299.04
  5. Step 5: Solve for x
    x = 26,697,191,299.04/235,484.28
  6. Step 6: Final answer
    x = 113,371.44

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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.