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Finding the Fourth Proportional to 104,225.43, 156,337.70 and 25,340.34

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Solution

The fourth proportional to 104,225.43, 156,337.70 and 25,340.34 is: 38,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,225.43 : 156,337.70 = 25,340.34 : x
  2. Step 2: Convert to fraction form
    104,225.43/156,337.70 = 25,340.34/x
  3. Step 3: Cross multiply
    104,225.43x = 156,337.70 × 25,340.34
  4. Step 4: Simplify right side
    104,225.43x = 3,961,650,932.38
  5. Step 5: Solve for x
    x = 3,961,650,932.38/104,225.43
  6. Step 6: Final answer
    x = 38,010.40

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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.