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Finding the Fourth Proportional to 64,544.80, 96,817.20 and 44,861.80

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Solution

The fourth proportional to 64,544.80, 96,817.20 and 44,861.80 is: 67,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,544.80 : 96,817.20 = 44,861.80 : x
  2. Step 2: Convert to fraction form
    64,544.80/96,817.20 = 44,861.80/x
  3. Step 3: Cross multiply
    64,544.80x = 96,817.20 × 44,861.80
  4. Step 4: Simplify right side
    64,544.80x = 4,343,393,862.96
  5. Step 5: Solve for x
    x = 4,343,393,862.96/64,544.80
  6. Step 6: Final answer
    x = 67,292.70

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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.