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Finding the Fourth Proportional to 104,240.64, 156,361 and 25,354.38

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Solution

The fourth proportional to 104,240.64, 156,361 and 25,354.38 is: 38,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,240.64 : 156,361 = 25,354.38 : x
  2. Step 2: Convert to fraction form
    104,240.64/156,361 = 25,354.38/x
  3. Step 3: Cross multiply
    104,240.64x = 156,361 × 25,354.38
  4. Step 4: Simplify right side
    104,240.64x = 3,964,436,211.18
  5. Step 5: Solve for x
    x = 3,964,436,211.18/104,240.64
  6. Step 6: Final answer
    x = 38,031.58

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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.