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Finding the Fourth Proportional to 349,455.87, 524,125.41 and 96,761.90

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Solution

The fourth proportional to 349,455.87, 524,125.41 and 96,761.90 is: 145,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,455.87 : 524,125.41 = 96,761.90 : x
  2. Step 2: Convert to fraction form
    349,455.87/524,125.41 = 96,761.90/x
  3. Step 3: Cross multiply
    349,455.87x = 524,125.41 × 96,761.90
  4. Step 4: Simplify right side
    349,455.87x = 50,715,367,889.25
  5. Step 5: Solve for x
    x = 50,715,367,889.25/349,455.87
  6. Step 6: Final answer
    x = 145,126.67

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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.