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Finding the Fourth Proportional to 64,308.40, 96,495.40 and 29,243.48

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Solution

The fourth proportional to 64,308.40, 96,495.40 and 29,243.48 is: 43,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,308.40 : 96,495.40 = 29,243.48 : x
  2. Step 2: Convert to fraction form
    64,308.40/96,495.40 = 29,243.48/x
  3. Step 3: Cross multiply
    64,308.40x = 96,495.40 × 29,243.48
  4. Step 4: Simplify right side
    64,308.40x = 2,821,861,299.99
  5. Step 5: Solve for x
    x = 2,821,861,299.99/64,308.40
  6. Step 6: Final answer
    x = 43,880.14

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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.