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Finding the Fourth Proportional to 64,243.60, 96,235.80 and 44,544.40

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Solution

The fourth proportional to 64,243.60, 96,235.80 and 44,544.40 is: 66,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,243.60 : 96,235.80 = 44,544.40 : x
  2. Step 2: Convert to fraction form
    64,243.60/96,235.80 = 44,544.40/x
  3. Step 3: Cross multiply
    64,243.60x = 96,235.80 × 44,544.40
  4. Step 4: Simplify right side
    64,243.60x = 4,286,765,969.52
  5. Step 5: Solve for x
    x = 4,286,765,969.52/64,243.60
  6. Step 6: Final answer
    x = 66,726.74

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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.