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Finding the Fourth Proportional to 64,443.40, 96,665.10 and 44,782.60

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Solution

The fourth proportional to 64,443.40, 96,665.10 and 44,782.60 is: 67,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,443.40 : 96,665.10 = 44,782.60 : x
  2. Step 2: Convert to fraction form
    64,443.40/96,665.10 = 44,782.60/x
  3. Step 3: Cross multiply
    64,443.40x = 96,665.10 × 44,782.60
  4. Step 4: Simplify right side
    64,443.40x = 4,328,914,507.26
  5. Step 5: Solve for x
    x = 4,328,914,507.26/64,443.40
  6. Step 6: Final answer
    x = 67,173.90

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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.