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Finding the Fourth Proportional to 219,756.91, 329,635.37 and 101,363.67

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Solution

The fourth proportional to 219,756.91, 329,635.37 and 101,363.67 is: 152,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,756.91 : 329,635.37 = 101,363.67 : x
  2. Step 2: Convert to fraction form
    219,756.91/329,635.37 = 101,363.67/x
  3. Step 3: Cross multiply
    219,756.91x = 329,635.37 × 101,363.67
  4. Step 4: Simplify right side
    219,756.91x = 33,413,050,865.01
  5. Step 5: Solve for x
    x = 33,413,050,865.01/219,756.91
  6. Step 6: Final answer
    x = 152,045.51

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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.