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Finding the Fourth Proportional to 104,989.44, 157,493.52 and 34,869.36

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Solution

The fourth proportional to 104,989.44, 157,493.52 and 34,869.36 is: 52,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,989.44 : 157,493.52 = 34,869.36 : x
  2. Step 2: Convert to fraction form
    104,989.44/157,493.52 = 34,869.36/x
  3. Step 3: Cross multiply
    104,989.44x = 157,493.52 × 34,869.36
  4. Step 4: Simplify right side
    104,989.44x = 5,491,698,246.55
  5. Step 5: Solve for x
    x = 5,491,698,246.55/104,989.44
  6. Step 6: Final answer
    x = 52,307.15

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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.