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Finding the Fourth Proportional to 146,046.60, 218,897.10 and 61,806.60

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Solution

The fourth proportional to 146,046.60, 218,897.10 and 61,806.60 is: 92,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,046.60 : 218,897.10 = 61,806.60 : x
  2. Step 2: Convert to fraction form
    146,046.60/218,897.10 = 61,806.60/x
  3. Step 3: Cross multiply
    146,046.60x = 218,897.10 × 61,806.60
  4. Step 4: Simplify right side
    146,046.60x = 13,529,285,500.86
  5. Step 5: Solve for x
    x = 13,529,285,500.86/146,046.60
  6. Step 6: Final answer
    x = 92,636.77

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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.