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Finding the Fourth Proportional to 116,466.96, 174,611.64 and 53,243.28

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Solution

The fourth proportional to 116,466.96, 174,611.64 and 53,243.28 is: 79,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,466.96 : 174,611.64 = 53,243.28 : x
  2. Step 2: Convert to fraction form
    116,466.96/174,611.64 = 53,243.28/x
  3. Step 3: Cross multiply
    116,466.96x = 174,611.64 × 53,243.28
  4. Step 4: Simplify right side
    116,466.96x = 9,296,896,439.78
  5. Step 5: Solve for x
    x = 9,296,896,439.78/116,466.96
  6. Step 6: Final answer
    x = 79,824.32

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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.