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Finding the Fourth Proportional to 96,252.40, 144,375.90 and 43,661.80

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Solution

The fourth proportional to 96,252.40, 144,375.90 and 43,661.80 is: 65,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,252.40 : 144,375.90 = 43,661.80 : x
  2. Step 2: Convert to fraction form
    96,252.40/144,375.90 = 43,661.80/x
  3. Step 3: Cross multiply
    96,252.40x = 144,375.90 × 43,661.80
  4. Step 4: Simplify right side
    96,252.40x = 6,303,711,670.62
  5. Step 5: Solve for x
    x = 6,303,711,670.62/96,252.40
  6. Step 6: Final answer
    x = 65,491.48

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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.