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Finding the Fourth Proportional to 146,604.96, 219,877.20 and 71,648.16

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Solution

The fourth proportional to 146,604.96, 219,877.20 and 71,648.16 is: 107,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,604.96 : 219,877.20 = 71,648.16 : x
  2. Step 2: Convert to fraction form
    146,604.96/219,877.20 = 71,648.16/x
  3. Step 3: Cross multiply
    146,604.96x = 219,877.20 × 71,648.16
  4. Step 4: Simplify right side
    146,604.96x = 15,753,796,805.95
  5. Step 5: Solve for x
    x = 15,753,796,805.95/146,604.96
  6. Step 6: Final answer
    x = 107,457.46

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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.