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Finding the Fourth Proportional to 104,103.34, 156,131.66 and 47,889.46

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Solution

The fourth proportional to 104,103.34, 156,131.66 and 47,889.46 is: 71,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.34 : 156,131.66 = 47,889.46 : x
  2. Step 2: Convert to fraction form
    104,103.34/156,131.66 = 47,889.46/x
  3. Step 3: Cross multiply
    104,103.34x = 156,131.66 × 47,889.46
  4. Step 4: Simplify right side
    104,103.34x = 7,477,060,886.30
  5. Step 5: Solve for x
    x = 7,477,060,886.30/104,103.34
  6. Step 6: Final answer
    x = 71,823.45

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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.