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Finding the Fourth Proportional to 146,885.76, 220,289.28 and 63,760

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Solution

The fourth proportional to 146,885.76, 220,289.28 and 63,760 is: 95,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,885.76 : 220,289.28 = 63,760 : x
  2. Step 2: Convert to fraction form
    146,885.76/220,289.28 = 63,760/x
  3. Step 3: Cross multiply
    146,885.76x = 220,289.28 × 63,760
  4. Step 4: Simplify right side
    146,885.76x = 14,045,644,492.80
  5. Step 5: Solve for x
    x = 14,045,644,492.80/146,885.76
  6. Step 6: Final answer
    x = 95,622.91

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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.