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Finding the Fourth Proportional to 146,586.80, 219,916.20 and 41,404.40

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Solution

The fourth proportional to 146,586.80, 219,916.20 and 41,404.40 is: 62,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,586.80 : 219,916.20 = 41,404.40 : x
  2. Step 2: Convert to fraction form
    146,586.80/219,916.20 = 41,404.40/x
  3. Step 3: Cross multiply
    146,586.80x = 219,916.20 × 41,404.40
  4. Step 4: Simplify right side
    146,586.80x = 9,105,498,311.28
  5. Step 5: Solve for x
    x = 9,105,498,311.28/146,586.80
  6. Step 6: Final answer
    x = 62,116.77

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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.