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Finding the Fourth Proportional to 146,406.36, 219,624.48 and 39,792

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Solution

The fourth proportional to 146,406.36, 219,624.48 and 39,792 is: 59,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,406.36 : 219,624.48 = 39,792 : x
  2. Step 2: Convert to fraction form
    146,406.36/219,624.48 = 39,792/x
  3. Step 3: Cross multiply
    146,406.36x = 219,624.48 × 39,792
  4. Step 4: Simplify right side
    146,406.36x = 8,739,297,308.16
  5. Step 5: Solve for x
    x = 8,739,297,308.16/146,406.36
  6. Step 6: Final answer
    x = 59,692.06

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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.