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Finding the Fourth Proportional to 104,956.60, 157,398.42 and 34,819.50

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Solution

The fourth proportional to 104,956.60, 157,398.42 and 34,819.50 is: 52,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,956.60 : 157,398.42 = 34,819.50 : x
  2. Step 2: Convert to fraction form
    104,956.60/157,398.42 = 34,819.50/x
  3. Step 3: Cross multiply
    104,956.60x = 157,398.42 × 34,819.50
  4. Step 4: Simplify right side
    104,956.60x = 5,480,534,285.19
  5. Step 5: Solve for x
    x = 5,480,534,285.19/104,956.60
  6. Step 6: Final answer
    x = 52,217.15

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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.