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Finding the Fourth Proportional to 104,100.56, 156,127.47 and 47,886.68

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Solution

The fourth proportional to 104,100.56, 156,127.47 and 47,886.68 is: 71,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,100.56 : 156,127.47 = 47,886.68 : x
  2. Step 2: Convert to fraction form
    104,100.56/156,127.47 = 47,886.68/x
  3. Step 3: Cross multiply
    104,100.56x = 156,127.47 × 47,886.68
  4. Step 4: Simplify right side
    104,100.56x = 7,476,425,414.46
  5. Step 5: Solve for x
    x = 7,476,425,414.46/104,100.56
  6. Step 6: Final answer
    x = 71,819.27

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1.5x scale

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.