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Finding the Fourth Proportional to 104,455.88, 156,683.82 and 37,880.90

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Solution

The fourth proportional to 104,455.88, 156,683.82 and 37,880.90 is: 56,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,455.88 : 156,683.82 = 37,880.90 : x
  2. Step 2: Convert to fraction form
    104,455.88/156,683.82 = 37,880.90/x
  3. Step 3: Cross multiply
    104,455.88x = 156,683.82 × 37,880.90
  4. Step 4: Simplify right side
    104,455.88x = 5,935,324,117.04
  5. Step 5: Solve for x
    x = 5,935,324,117.04/104,455.88
  6. Step 6: Final answer
    x = 56,821.35

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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.